28876851

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 44193600

約数和(自身を除く): 15316749

約数列:

[1, 3, 9, 27, 61, 89, 183, 197, 267, 549, 591, 801, 1647, 1773, 2403, 5319, 5429, 12017, 16287, 17533, 36051, 48861, 52599, 108153, 146583, 157797, 324459, 473391, 1069513, 3208539, 9625617, 28876851]

約数ペア:

[(1, 28876851), (3, 9625617), (9, 3208539), (27, 1069513), (61, 473391), (89, 324459), (183, 157797), (197, 146583), (267, 108153), (549, 52599), (591, 48861), (801, 36051), (1647, 17533), (1773, 16287), (2403, 12017), (5319, 5429)]