27891525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 52114720

約数和(自身を除く): 24223195

約数列:

[1, 3, 5, 15, 19, 23, 25, 37, 57, 69, 75, 95, 111, 115, 185, 285, 345, 437, 475, 529, 555, 575, 703, 851, 925, 1311, 1425, 1587, 1725, 2109, 2185, 2553, 2645, 2775, 3515, 4255, 6555, 7935, 10051, 10545, 10925, 12765, 13225, 16169, 17575, 19573, 21275, 30153, 32775, 39675, 48507, 50255, 52725, 58719, 63825, 80845, 97865, 150765, 242535, 251275, 293595, 371887, 404225, 489325, 753825, 1115661, 1212675, 1467975, 1859435, 5578305, 9297175, 27891525]

約数ペア:

[(1, 27891525), (3, 9297175), (5, 5578305), (15, 1859435), (19, 1467975), (23, 1212675), (25, 1115661), (37, 753825), (57, 489325), (69, 404225), (75, 371887), (95, 293595), (111, 251275), (115, 242535), (185, 150765), (285, 97865), (345, 80845), (437, 63825), (475, 58719), (529, 52725), (555, 50255), (575, 48507), (703, 39675), (851, 32775), (925, 30153), (1311, 21275), (1425, 19573), (1587, 17575), (1725, 16169), (2109, 13225), (2185, 12765), (2553, 10925), (2645, 10545), (2775, 10051), (3515, 7935), (4255, 6555)]