201831357

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 352235520

約数和(自身を除く): 150404163

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 167, 233, 247, 273, 399, 501, 699, 741, 1169, 1631, 1729, 2171, 3029, 3173, 3507, 4427, 4893, 5187, 6513, 9087, 9519, 13281, 15197, 21203, 22211, 30989, 38911, 41249, 45591, 57551, 63609, 66633, 92967, 116733, 123747, 172653, 272377, 288743, 402857, 505843, 739309, 817131, 866229, 1208571, 1517529, 2217927, 3540901, 5175163, 9611017, 10622703, 15525489, 28833051, 67277119, 201831357]

約数ペア:

[(1, 201831357), (3, 67277119), (7, 28833051), (13, 15525489), (19, 10622703), (21, 9611017), (39, 5175163), (57, 3540901), (91, 2217927), (133, 1517529), (167, 1208571), (233, 866229), (247, 817131), (273, 739309), (399, 505843), (501, 402857), (699, 288743), (741, 272377), (1169, 172653), (1631, 123747), (1729, 116733), (2171, 92967), (3029, 66633), (3173, 63609), (3507, 57551), (4427, 45591), (4893, 41249), (5187, 38911), (6513, 30989), (9087, 22211), (9519, 21203), (13281, 15197)]