218289321

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 336960000

約数和(自身を除く): 118670679

約数列:

[1, 3, 9, 31, 59, 89, 93, 149, 177, 267, 279, 447, 531, 801, 1341, 1829, 2759, 4619, 5251, 5487, 8277, 8791, 13261, 13857, 15753, 16461, 24831, 26373, 39783, 41571, 47259, 79119, 119349, 162781, 272521, 411091, 488343, 782399, 817563, 1233273, 1465029, 2347197, 2452689, 3699819, 7041591, 24254369, 72763107, 218289321]

約数ペア:

[(1, 218289321), (3, 72763107), (9, 24254369), (31, 7041591), (59, 3699819), (89, 2452689), (93, 2347197), (149, 1465029), (177, 1233273), (267, 817563), (279, 782399), (447, 488343), (531, 411091), (801, 272521), (1341, 162781), (1829, 119349), (2759, 79119), (4619, 47259), (5251, 41571), (5487, 39783), (8277, 26373), (8791, 24831), (13261, 16461), (13857, 15753)]