61973457

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1657}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 102504192

約数和(自身を除く): 40530735

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 959, 1657, 1781, 2877, 4971, 5343, 11599, 12467, 21541, 34797, 37401, 64623, 150787, 227009, 452361, 681027, 1589063, 2951117, 4767189, 8853351, 20657819, 61973457]

約数ペア:

[(1, 61973457), (3, 20657819), (7, 8853351), (13, 4767189), (21, 2951117), (39, 1589063), (91, 681027), (137, 452361), (273, 227009), (411, 150787), (959, 64623), (1657, 37401), (1781, 34797), (2877, 21541), (4971, 12467), (5343, 11599)]