27181875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 54982400

約数和(自身を除く): 27800525

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 109, 125, 133, 175, 285, 327, 375, 399, 475, 525, 545, 625, 665, 763, 875, 1425, 1635, 1875, 1995, 2071, 2289, 2375, 2625, 2725, 3325, 3815, 4375, 6213, 7125, 8175, 9975, 10355, 11445, 11875, 13125, 13625, 14497, 16625, 19075, 31065, 35625, 40875, 43491, 49875, 51775, 57225, 68125, 72485, 83125, 95375, 155325, 204375, 217455, 249375, 258875, 286125, 362425, 476875, 776625, 1087275, 1294375, 1430625, 1812125, 3883125, 5436375, 9060625, 27181875]

約数ペア:

[(1, 27181875), (3, 9060625), (5, 5436375), (7, 3883125), (15, 1812125), (19, 1430625), (21, 1294375), (25, 1087275), (35, 776625), (57, 476875), (75, 362425), (95, 286125), (105, 258875), (109, 249375), (125, 217455), (133, 204375), (175, 155325), (285, 95375), (327, 83125), (375, 72485), (399, 68125), (475, 57225), (525, 51775), (545, 49875), (625, 43491), (665, 40875), (763, 35625), (875, 31065), (1425, 19075), (1635, 16625), (1875, 14497), (1995, 13625), (2071, 13125), (2289, 11875), (2375, 11445), (2625, 10355), (2725, 9975), (3325, 8175), (3815, 7125), (4375, 6213)]