90894321

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 157996800

約数和(自身を除く): 67102479

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 149, 161, 207, 421, 447, 483, 1043, 1263, 1341, 1449, 2947, 3129, 3427, 3789, 8841, 9387, 9683, 10281, 23989, 26523, 29049, 30843, 62729, 67781, 71967, 87147, 188187, 203343, 215901, 439103, 564561, 610029, 1317309, 1442767, 3951927, 4328301, 10099369, 12984903, 30298107, 90894321]

約数ペア:

[(1, 90894321), (3, 30298107), (7, 12984903), (9, 10099369), (21, 4328301), (23, 3951927), (63, 1442767), (69, 1317309), (149, 610029), (161, 564561), (207, 439103), (421, 215901), (447, 203343), (483, 188187), (1043, 87147), (1263, 71967), (1341, 67781), (1449, 62729), (2947, 30843), (3129, 29049), (3427, 26523), (3789, 23989), (8841, 10281), (9387, 9683)]