28725642

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^4\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 60

約数和(自身を含む): 69090450

約数和(自身を除く): 40364808

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 109, 121, 198, 218, 242, 327, 363, 654, 726, 981, 1089, 1199, 1331, 1962, 2178, 2398, 2662, 3597, 3993, 7194, 7986, 10791, 11979, 13189, 14641, 21582, 23958, 26378, 29282, 39567, 43923, 79134, 87846, 118701, 131769, 145079, 237402, 263538, 290158, 435237, 870474, 1305711, 1595869, 2611422, 3191738, 4787607, 9575214, 14362821, 28725642]

約数ペア:

[(1, 28725642), (2, 14362821), (3, 9575214), (6, 4787607), (9, 3191738), (11, 2611422), (18, 1595869), (22, 1305711), (33, 870474), (66, 435237), (99, 290158), (109, 263538), (121, 237402), (198, 145079), (218, 131769), (242, 118701), (327, 87846), (363, 79134), (654, 43923), (726, 39567), (981, 29282), (1089, 26378), (1199, 23958), (1331, 21582), (1962, 14641), (2178, 13189), (2398, 11979), (2662, 10791), (3597, 7986), (3993, 7194)]