28637955

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2329

約数の個数: 40

約数和(自身を含む): 53015424

約数和(自身を除く): 24377469

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2281, 2511, 4185, 6843, 11405, 12555, 20529, 34215, 61587, 70711, 102645, 184761, 212133, 307935, 353555, 636399, 923805, 1060665, 1909197, 3181995, 5727591, 9545985, 28637955]

約数ペア:

[(1, 28637955), (3, 9545985), (5, 5727591), (9, 3181995), (15, 1909197), (27, 1060665), (31, 923805), (45, 636399), (81, 353555), (93, 307935), (135, 212133), (155, 184761), (279, 102645), (405, 70711), (465, 61587), (837, 34215), (1395, 20529), (2281, 12555), (2511, 11405), (4185, 6843)]