2017128825

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:653

約数の個数: 120

約数和(自身を含む): 3979060800

約数和(自身を除く): 1961931975

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 103, 135, 171, 225, 285, 309, 405, 475, 509, 513, 515, 675, 855, 927, 1425, 1527, 1539, 1545, 1957, 2025, 2545, 2565, 2575, 2781, 4275, 4581, 4635, 5871, 7635, 7695, 7725, 8343, 9671, 9785, 12725, 12825, 13743, 13905, 17613, 22905, 23175, 29013, 29355, 38175, 38475, 41229, 41715, 48355, 48925, 52427, 52839, 68715, 69525, 87039, 88065, 114525, 145065, 146775, 157281, 158517, 206145, 208575, 241775, 261117, 262135, 264195, 343575, 435195, 440325, 471843, 725325, 783351, 786405, 792585, 996113, 1030725, 1305585, 1310675, 1320975, 1415529, 2175975, 2359215, 2988339, 3916755, 3932025, 3962925, 4246587, 4980565, 6527925, 7077645, 8965017, 11796075, 14941695, 19583775, 21232935, 24902825, 26895051, 35388225, 44825085, 74708475, 80685153, 106164675, 134475255, 224125425, 403425765, 672376275, 2017128825]

約数ペア:

[(1, 2017128825), (3, 672376275), (5, 403425765), (9, 224125425), (15, 134475255), (19, 106164675), (25, 80685153), (27, 74708475), (45, 44825085), (57, 35388225), (75, 26895051), (81, 24902825), (95, 21232935), (103, 19583775), (135, 14941695), (171, 11796075), (225, 8965017), (285, 7077645), (309, 6527925), (405, 4980565), (475, 4246587), (509, 3962925), (513, 3932025), (515, 3916755), (675, 2988339), (855, 2359215), (927, 2175975), (1425, 1415529), (1527, 1320975), (1539, 1310675), (1545, 1305585), (1957, 1030725), (2025, 996113), (2545, 792585), (2565, 786405), (2575, 783351), (2781, 725325), (4275, 471843), (4581, 440325), (4635, 435195), (5871, 343575), (7635, 264195), (7695, 262135), (7725, 261117), (8343, 241775), (9671, 208575), (9785, 206145), (12725, 158517), (12825, 157281), (13743, 146775), (13905, 145065), (17613, 114525), (22905, 88065), (23175, 87039), (29013, 69525), (29355, 68715), (38175, 52839), (38475, 52427), (41229, 48925), (41715, 48355)]