28438815

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 46725120

約数和(自身を除く): 18286305

約数列:

[1, 3, 5, 15, 79, 103, 233, 237, 309, 395, 515, 699, 1165, 1185, 1545, 3495, 8137, 18407, 23999, 24411, 40685, 55221, 71997, 92035, 119995, 122055, 276105, 359985, 1895921, 5687763, 9479605, 28438815]

約数ペア:

[(1, 28438815), (3, 9479605), (5, 5687763), (15, 1895921), (79, 359985), (103, 276105), (233, 122055), (237, 119995), (309, 92035), (395, 71997), (515, 55221), (699, 40685), (1165, 24411), (1185, 23999), (1545, 18407), (3495, 8137)]