2011091319

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{491}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 3109377024

約数和(自身を除く): 1098285705

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 421, 423, 491, 1081, 1263, 1473, 3243, 3789, 4419, 9683, 9729, 11293, 19787, 23077, 29049, 33879, 59361, 69231, 87147, 101637, 178083, 206711, 207693, 455101, 530771, 620133, 1365303, 1592313, 1860399, 4095909, 4754353, 4776939, 9715417, 14263059, 29146251, 42789177, 87438753, 223454591, 670363773, 2011091319]

約数ペア:

[(1, 2011091319), (3, 670363773), (9, 223454591), (23, 87438753), (47, 42789177), (69, 29146251), (141, 14263059), (207, 9715417), (421, 4776939), (423, 4754353), (491, 4095909), (1081, 1860399), (1263, 1592313), (1473, 1365303), (3243, 620133), (3789, 530771), (4419, 455101), (9683, 207693), (9729, 206711), (11293, 178083), (19787, 101637), (23077, 87147), (29049, 69231), (33879, 59361)]