20182725

素因数分解:

$3^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:618

約数の個数: 36

約数和(自身を含む): 36392512

約数和(自身を除く): 16209787

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 271, 331, 813, 993, 1355, 1655, 2439, 2979, 4065, 4965, 6775, 8275, 12195, 14895, 20325, 24825, 60975, 74475, 89701, 269103, 448505, 807309, 1345515, 2242525, 4036545, 6727575, 20182725]

約数ペア:

[(1, 20182725), (3, 6727575), (5, 4036545), (9, 2242525), (15, 1345515), (25, 807309), (45, 448505), (75, 269103), (225, 89701), (271, 74475), (331, 60975), (813, 24825), (993, 20325), (1355, 14895), (1655, 12195), (2439, 8275), (2979, 6775), (4065, 4965)]