218667393

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 371779200

約数和(自身を除く): 153111807

約数列:

[1, 3, 7, 9, 21, 59, 63, 89, 177, 267, 413, 531, 623, 661, 801, 1239, 1869, 1983, 3717, 4627, 5251, 5607, 5949, 13881, 15753, 36757, 38999, 41643, 47259, 58829, 110271, 116997, 176487, 272993, 330813, 350991, 411803, 529461, 818979, 1235409, 2456937, 3470911, 3706227, 10412733, 24296377, 31238199, 72889131, 218667393]

約数ペア:

[(1, 218667393), (3, 72889131), (7, 31238199), (9, 24296377), (21, 10412733), (59, 3706227), (63, 3470911), (89, 2456937), (177, 1235409), (267, 818979), (413, 529461), (531, 411803), (623, 350991), (661, 330813), (801, 272993), (1239, 176487), (1869, 116997), (1983, 110271), (3717, 58829), (4627, 47259), (5251, 41643), (5607, 38999), (5949, 36757), (13881, 15753)]