68858325

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 130426920

約数和(自身を除く): 61568595

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 61, 75, 87, 145, 173, 183, 225, 261, 305, 435, 519, 549, 725, 865, 915, 1305, 1525, 1557, 1769, 2175, 2595, 2745, 4325, 4575, 5017, 5307, 6525, 7785, 8845, 10553, 12975, 13725, 15051, 15921, 25085, 26535, 31659, 38925, 44225, 45153, 52765, 75255, 79605, 94977, 125425, 132675, 158295, 225765, 263825, 306037, 376275, 398025, 474885, 791475, 918111, 1128825, 1530185, 2374425, 2754333, 4590555, 7650925, 13771665, 22952775, 68858325]

約数ペア:

[(1, 68858325), (3, 22952775), (5, 13771665), (9, 7650925), (15, 4590555), (25, 2754333), (29, 2374425), (45, 1530185), (61, 1128825), (75, 918111), (87, 791475), (145, 474885), (173, 398025), (183, 376275), (225, 306037), (261, 263825), (305, 225765), (435, 158295), (519, 132675), (549, 125425), (725, 94977), (865, 79605), (915, 75255), (1305, 52765), (1525, 45153), (1557, 44225), (1769, 38925), (2175, 31659), (2595, 26535), (2745, 25085), (4325, 15921), (4575, 15051), (5017, 13725), (5307, 12975), (6525, 10553), (7785, 8845)]