202163913

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 342725760

約数和(自身を除く): 140561847

約数列:

[1, 3, 7, 9, 21, 59, 63, 137, 177, 397, 411, 413, 531, 959, 1191, 1233, 1239, 2779, 2877, 3573, 3717, 8083, 8337, 8631, 23423, 24249, 25011, 54389, 56581, 70269, 72747, 163167, 163961, 169743, 210807, 380723, 489501, 491883, 509229, 1142169, 1475649, 3208951, 3426507, 9626853, 22462657, 28880559, 67387971, 202163913]

約数ペア:

[(1, 202163913), (3, 67387971), (7, 28880559), (9, 22462657), (21, 9626853), (59, 3426507), (63, 3208951), (137, 1475649), (177, 1142169), (397, 509229), (411, 491883), (413, 489501), (531, 380723), (959, 210807), (1191, 169743), (1233, 163961), (1239, 163167), (2779, 72747), (2877, 70269), (3573, 56581), (3717, 54389), (8083, 25011), (8337, 24249), (8631, 23423)]