2011159521

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 3353745408

約数和(自身を除く): 1342585887

約数列:

[1, 3, 7, 9, 21, 63, 191, 397, 421, 573, 1191, 1263, 1337, 1719, 2779, 2947, 3573, 3789, 4011, 8337, 8841, 12033, 25011, 26523, 75827, 80411, 167137, 227481, 241233, 501411, 530789, 562877, 682443, 723699, 1169959, 1504233, 1592367, 1688631, 3509877, 4777101, 5065893, 10529631, 31923167, 95769501, 223462169, 287308503, 670386507, 2011159521]

約数ペア:

[(1, 2011159521), (3, 670386507), (7, 287308503), (9, 223462169), (21, 95769501), (63, 31923167), (191, 10529631), (397, 5065893), (421, 4777101), (573, 3509877), (1191, 1688631), (1263, 1592367), (1337, 1504233), (1719, 1169959), (2779, 723699), (2947, 682443), (3573, 562877), (3789, 530789), (4011, 501411), (8337, 241233), (8841, 227481), (12033, 167137), (25011, 80411), (26523, 75827)]