161272575

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 300734720

約数和(自身を除く): 139462145

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 79, 129, 211, 215, 225, 237, 387, 395, 633, 645, 711, 1055, 1075, 1185, 1899, 1935, 1975, 3165, 3225, 3397, 3555, 5275, 5925, 9073, 9495, 9675, 10191, 15825, 16669, 16985, 17775, 27219, 30573, 45365, 47475, 50007, 50955, 81657, 83345, 84925, 136095, 150021, 152865, 226825, 250035, 254775, 408285, 416725, 680475, 716767, 750105, 764325, 1250175, 2041425, 2150301, 3583835, 3750525, 6450903, 10751505, 17919175, 32254515, 53757525, 161272575]

約数ペア:

[(1, 161272575), (3, 53757525), (5, 32254515), (9, 17919175), (15, 10751505), (25, 6450903), (43, 3750525), (45, 3583835), (75, 2150301), (79, 2041425), (129, 1250175), (211, 764325), (215, 750105), (225, 716767), (237, 680475), (387, 416725), (395, 408285), (633, 254775), (645, 250035), (711, 226825), (1055, 152865), (1075, 150021), (1185, 136095), (1899, 84925), (1935, 83345), (1975, 81657), (3165, 50955), (3225, 50007), (3397, 47475), (3555, 45365), (5275, 30573), (5925, 27219), (9073, 17775), (9495, 16985), (9675, 16669), (10191, 15825)]