30968679

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 50319360

約数和(自身を除く): 19350681

約数列:

[1, 3, 7, 17, 21, 51, 119, 223, 357, 389, 669, 1167, 1561, 2723, 3791, 4683, 6613, 8169, 11373, 19839, 26537, 46291, 79611, 86747, 138873, 260241, 607229, 1474699, 1821687, 4424097, 10322893, 30968679]

約数ペア:

[(1, 30968679), (3, 10322893), (7, 4424097), (17, 1821687), (21, 1474699), (51, 607229), (119, 260241), (223, 138873), (357, 86747), (389, 79611), (669, 46291), (1167, 26537), (1561, 19839), (2723, 11373), (3791, 8169), (4683, 6613)]