172081917

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{617}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 300792960

約数和(自身を除く): 128711043

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 233, 399, 617, 699, 1197, 1631, 1851, 2097, 4319, 4427, 4893, 5553, 11723, 12957, 13281, 14679, 30989, 35169, 38871, 39843, 82061, 92967, 105507, 143761, 246183, 278901, 431283, 738549, 1006327, 1293849, 2731459, 3018981, 8194377, 9056943, 19120213, 24583131, 57360639, 172081917]

約数ペア:

[(1, 172081917), (3, 57360639), (7, 24583131), (9, 19120213), (19, 9056943), (21, 8194377), (57, 3018981), (63, 2731459), (133, 1293849), (171, 1006327), (233, 738549), (399, 431283), (617, 278901), (699, 246183), (1197, 143761), (1631, 105507), (1851, 92967), (2097, 82061), (4319, 39843), (4427, 38871), (4893, 35169), (5553, 30989), (11723, 14679), (12957, 13281)]