225729189

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 380016000

約数和(自身を除く): 154286811

約数列:

[1, 3, 7, 9, 21, 63, 139, 149, 173, 417, 447, 519, 973, 1043, 1211, 1251, 1341, 1557, 2919, 3129, 3633, 8757, 9387, 10899, 20711, 24047, 25777, 62133, 72141, 77331, 144977, 168329, 180439, 186399, 216423, 231993, 434931, 504987, 541317, 1304793, 1514961, 1623951, 3583003, 10749009, 25081021, 32247027, 75243063, 225729189]

約数ペア:

[(1, 225729189), (3, 75243063), (7, 32247027), (9, 25081021), (21, 10749009), (63, 3583003), (139, 1623951), (149, 1514961), (173, 1304793), (417, 541317), (447, 504987), (519, 434931), (973, 231993), (1043, 216423), (1211, 186399), (1251, 180439), (1341, 168329), (1557, 144977), (2919, 77331), (3129, 72141), (3633, 62133), (8757, 25777), (9387, 24047), (10899, 20711)]