28831995

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 52902720

約数和(自身を除く): 24070725

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 89, 115, 207, 267, 313, 345, 445, 801, 939, 1035, 1335, 1565, 2047, 2817, 4005, 4695, 6141, 7199, 10235, 14085, 18423, 21597, 27857, 30705, 35995, 64791, 83571, 92115, 107985, 139285, 250713, 323955, 417855, 640711, 1253565, 1922133, 3203555, 5766399, 9610665, 28831995]

約数ペア:

[(1, 28831995), (3, 9610665), (5, 5766399), (9, 3203555), (15, 1922133), (23, 1253565), (45, 640711), (69, 417855), (89, 323955), (115, 250713), (207, 139285), (267, 107985), (313, 92115), (345, 83571), (445, 64791), (801, 35995), (939, 30705), (1035, 27857), (1335, 21597), (1565, 18423), (2047, 14085), (2817, 10235), (4005, 7199), (4695, 6141)]