180870123

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 299575584

約数和(自身を除く): 118705461

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 157, 357, 461, 471, 833, 1099, 1383, 2499, 2669, 3227, 3297, 7693, 7837, 8007, 9681, 18683, 22589, 23079, 23511, 54859, 56049, 67767, 72377, 130781, 164577, 217131, 384013, 392343, 506639, 1152039, 1230409, 1519917, 3546473, 3691227, 8612863, 10639419, 25838589, 60290041, 180870123]

約数ペア:

[(1, 180870123), (3, 60290041), (7, 25838589), (17, 10639419), (21, 8612863), (49, 3691227), (51, 3546473), (119, 1519917), (147, 1230409), (157, 1152039), (357, 506639), (461, 392343), (471, 384013), (833, 217131), (1099, 164577), (1383, 130781), (2499, 72377), (2669, 67767), (3227, 56049), (3297, 54859), (7693, 23511), (7837, 23079), (8007, 22589), (9681, 18683)]