161416845

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{461}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 290594304

約数和(自身を除く): 129177459

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 251, 279, 461, 465, 753, 1255, 1383, 1395, 2259, 2305, 3765, 4149, 6915, 7781, 11295, 14291, 20745, 23343, 38905, 42873, 70029, 71455, 115711, 116715, 128619, 214365, 347133, 350145, 578555, 643095, 1041399, 1735665, 3587041, 5206995, 10761123, 17935205, 32283369, 53805615, 161416845]

約数ペア:

[(1, 161416845), (3, 53805615), (5, 32283369), (9, 17935205), (15, 10761123), (31, 5206995), (45, 3587041), (93, 1735665), (155, 1041399), (251, 643095), (279, 578555), (461, 350145), (465, 347133), (753, 214365), (1255, 128619), (1383, 116715), (1395, 115711), (2259, 71455), (2305, 70029), (3765, 42873), (4149, 38905), (6915, 23343), (7781, 20745), (11295, 14291)]