51783705

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4409}}^1$

素因数の和:4455

約数の個数: 40

約数和(自身を含む): 96049800

約数和(自身を除く): 44266095

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 3915, 4409, 11745, 13227, 22045, 39681, 66135, 119043, 127861, 198405, 357129, 383583, 595215, 639305, 1150749, 1785645, 1917915, 3452247, 5753745, 10356741, 17261235, 51783705]

約数ペア:

[(1, 51783705), (3, 17261235), (5, 10356741), (9, 5753745), (15, 3452247), (27, 1917915), (29, 1785645), (45, 1150749), (81, 639305), (87, 595215), (135, 383583), (145, 357129), (261, 198405), (405, 127861), (435, 119043), (783, 66135), (1305, 39681), (2349, 22045), (3915, 13227), (4409, 11745)]