28807515

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1065

約数の個数: 64

約数和(自身を含む): 58867200

約数和(自身を除く): 30059685

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 95, 99, 135, 165, 171, 209, 285, 297, 495, 513, 627, 855, 1021, 1045, 1485, 1881, 2565, 3063, 3135, 5105, 5643, 9189, 9405, 11231, 15315, 19399, 27567, 28215, 33693, 45945, 56155, 58197, 96995, 101079, 137835, 168465, 174591, 213389, 290985, 303237, 505395, 523773, 640167, 872955, 1066945, 1516185, 1920501, 2618865, 3200835, 5761503, 9602505, 28807515]

約数ペア:

[(1, 28807515), (3, 9602505), (5, 5761503), (9, 3200835), (11, 2618865), (15, 1920501), (19, 1516185), (27, 1066945), (33, 872955), (45, 640167), (55, 523773), (57, 505395), (95, 303237), (99, 290985), (135, 213389), (165, 174591), (171, 168465), (209, 137835), (285, 101079), (297, 96995), (495, 58197), (513, 56155), (627, 45945), (855, 33693), (1021, 28215), (1045, 27567), (1485, 19399), (1881, 15315), (2565, 11231), (3063, 9405), (3135, 9189), (5105, 5643)]