28170351

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 46844928

約数和(自身を除く): 18674577

約数列:

[1, 3, 9, 11, 31, 33, 67, 93, 99, 137, 201, 279, 341, 411, 603, 737, 1023, 1233, 1507, 2077, 2211, 3069, 4247, 4521, 6231, 6633, 9179, 12741, 13563, 18693, 22847, 27537, 38223, 46717, 68541, 82611, 100969, 140151, 205623, 284549, 302907, 420453, 853647, 908721, 2560941, 3130039, 9390117, 28170351]

約数ペア:

[(1, 28170351), (3, 9390117), (9, 3130039), (11, 2560941), (31, 908721), (33, 853647), (67, 420453), (93, 302907), (99, 284549), (137, 205623), (201, 140151), (279, 100969), (341, 82611), (411, 68541), (603, 46717), (737, 38223), (1023, 27537), (1233, 22847), (1507, 18693), (2077, 13563), (2211, 12741), (3069, 9179), (4247, 6633), (4521, 6231)]