42188307

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 65856000

約数和(自身を除く): 23667693

約数列:

[1, 3, 7, 21, 97, 139, 149, 291, 417, 447, 679, 973, 1043, 2037, 2919, 3129, 13483, 14453, 20711, 40449, 43359, 62133, 94381, 101171, 144977, 283143, 303513, 434931, 2008967, 6026901, 14062769, 42188307]

約数ペア:

[(1, 42188307), (3, 14062769), (7, 6026901), (21, 2008967), (97, 434931), (139, 303513), (149, 283143), (291, 144977), (417, 101171), (447, 94381), (679, 62133), (973, 43359), (1043, 40449), (2037, 20711), (2919, 14453), (3129, 13483)]