61506249

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1109}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 99456000

約数和(自身を除く): 37949751

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 399, 417, 973, 1109, 2641, 2919, 3327, 7763, 7923, 18487, 21071, 23289, 55461, 63213, 147497, 154151, 442491, 462453, 1079057, 2928869, 3237171, 8786607, 20502083, 61506249]

約数ペア:

[(1, 61506249), (3, 20502083), (7, 8786607), (19, 3237171), (21, 2928869), (57, 1079057), (133, 462453), (139, 442491), (399, 154151), (417, 147497), (973, 63213), (1109, 55461), (2641, 23289), (2919, 21071), (3327, 18487), (7763, 7923)]