1520555421

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{140053}}^1$

素因数の和:140121

約数の個数: 32

約数和(自身を含む): 2581475328

約数和(自身を除く): 1060919907

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 3619, 10857, 140053, 420159, 980371, 1540583, 2941113, 4621749, 6582491, 10784081, 19747473, 32352243, 46077437, 72407401, 138232311, 217222203, 506851807, 1520555421]

約数ペア:

[(1, 1520555421), (3, 506851807), (7, 217222203), (11, 138232311), (21, 72407401), (33, 46077437), (47, 32352243), (77, 19747473), (141, 10784081), (231, 6582491), (329, 4621749), (517, 2941113), (987, 1540583), (1551, 980371), (3619, 420159), (10857, 140053)]