71800809

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 104509440

約数和(自身を除く): 32708631

約数列:

[1, 3, 17, 51, 71, 79, 213, 237, 251, 753, 1207, 1343, 3621, 4029, 4267, 5609, 12801, 16827, 17821, 19829, 53463, 59487, 95353, 286059, 302957, 337093, 908871, 1011279, 1407859, 4223577, 23933603, 71800809]

約数ペア:

[(1, 71800809), (3, 23933603), (17, 4223577), (51, 1407859), (71, 1011279), (79, 908871), (213, 337093), (237, 302957), (251, 286059), (753, 95353), (1207, 59487), (1343, 53463), (3621, 19829), (4029, 17821), (4267, 16827), (5609, 12801)]