920493825

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{1171}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 1562566656

約数和(自身を除く): 642072831

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 223, 235, 669, 705, 1115, 1171, 1175, 3345, 3513, 3525, 5575, 5855, 10481, 16725, 17565, 29275, 31443, 52405, 55037, 87825, 157215, 165111, 261133, 262025, 275185, 783399, 786075, 825555, 1305665, 1375925, 3916995, 4127775, 6528325, 12273251, 19584975, 36819753, 61366255, 184098765, 306831275, 920493825]

約数ペア:

[(1, 920493825), (3, 306831275), (5, 184098765), (15, 61366255), (25, 36819753), (47, 19584975), (75, 12273251), (141, 6528325), (223, 4127775), (235, 3916995), (669, 1375925), (705, 1305665), (1115, 825555), (1171, 786075), (1175, 783399), (3345, 275185), (3513, 262025), (3525, 261133), (5575, 165111), (5855, 157215), (10481, 87825), (16725, 55037), (17565, 52405), (29275, 31443)]