15878289

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 25989120

約数和(自身を除く): 10110831

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 563, 1343, 1659, 1689, 3941, 4029, 9401, 9571, 11823, 28203, 28713, 44477, 66997, 133431, 200991, 311339, 756109, 934017, 2268327, 5292763, 15878289]

約数ペア:

[(1, 15878289), (3, 5292763), (7, 2268327), (17, 934017), (21, 756109), (51, 311339), (79, 200991), (119, 133431), (237, 66997), (357, 44477), (553, 28713), (563, 28203), (1343, 11823), (1659, 9571), (1689, 9401), (3941, 4029)]