320150715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{17683}}^1$

素因数の和:17779

約数の個数: 32

約数和(自身を含む): 550043136

約数和(自身を除く): 229892421

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1207, 3621, 6035, 17683, 18105, 53049, 88415, 265245, 300611, 901833, 1255493, 1503055, 3766479, 4509165, 6277465, 18832395, 21343381, 64030143, 106716905, 320150715]

約数ペア:

[(1, 320150715), (3, 106716905), (5, 64030143), (15, 21343381), (17, 18832395), (51, 6277465), (71, 4509165), (85, 3766479), (213, 1503055), (255, 1255493), (355, 901833), (1065, 300611), (1207, 265245), (3621, 88415), (6035, 53049), (17683, 18105)]