30019725

素因数分解:

$3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1321}}^1$

素因数の和:1438

約数の個数: 36

約数和(自身を含む): 54342132

約数和(自身を除く): 24322407

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 101, 225, 303, 505, 909, 1321, 1515, 2525, 3963, 4545, 6605, 7575, 11889, 19815, 22725, 33025, 59445, 99075, 133421, 297225, 400263, 667105, 1200789, 2001315, 3335525, 6003945, 10006575, 30019725]

約数ペア:

[(1, 30019725), (3, 10006575), (5, 6003945), (9, 3335525), (15, 2001315), (25, 1200789), (45, 667105), (75, 400263), (101, 297225), (225, 133421), (303, 99075), (505, 59445), (909, 33025), (1321, 22725), (1515, 19815), (2525, 11889), (3963, 7575), (4545, 6605)]