810996921

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1427}}^1$

素因数の和:1571

約数の個数: 64

約数和(自身を含む): 1433026560

約数和(自身を除く): 622029639

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 97, 189, 217, 279, 291, 651, 679, 837, 873, 1427, 1953, 2037, 2619, 3007, 4281, 5859, 6111, 9021, 9989, 12843, 18333, 21049, 27063, 29967, 38529, 44237, 63147, 81189, 89901, 132711, 138419, 189441, 269703, 309659, 398133, 415257, 568323, 928977, 968933, 1194399, 1245771, 2786931, 2906799, 3737313, 4290989, 8360793, 8720397, 12872967, 26161191, 30036923, 38618901, 90110769, 115856703, 270332307, 810996921]

約数ペア:

[(1, 810996921), (3, 270332307), (7, 115856703), (9, 90110769), (21, 38618901), (27, 30036923), (31, 26161191), (63, 12872967), (93, 8720397), (97, 8360793), (189, 4290989), (217, 3737313), (279, 2906799), (291, 2786931), (651, 1245771), (679, 1194399), (837, 968933), (873, 928977), (1427, 568323), (1953, 415257), (2037, 398133), (2619, 309659), (3007, 269703), (4281, 189441), (5859, 138419), (6111, 132711), (9021, 89901), (9989, 81189), (12843, 63147), (18333, 44237), (21049, 38529), (27063, 29967)]