15390855

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 28753920

約数和(自身を除く): 13363065

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 383, 423, 705, 855, 893, 1149, 1915, 2115, 2679, 3447, 4465, 5745, 7277, 8037, 13395, 17235, 18001, 21831, 36385, 40185, 54003, 65493, 90005, 109155, 162009, 270015, 327465, 342019, 810045, 1026057, 1710095, 3078171, 5130285, 15390855]

約数ペア:

[(1, 15390855), (3, 5130285), (5, 3078171), (9, 1710095), (15, 1026057), (19, 810045), (45, 342019), (47, 327465), (57, 270015), (95, 162009), (141, 109155), (171, 90005), (235, 65493), (285, 54003), (383, 40185), (423, 36385), (705, 21831), (855, 18001), (893, 17235), (1149, 13395), (1915, 8037), (2115, 7277), (2679, 5745), (3447, 4465)]