13491975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 26347520

約数和(自身を除く): 12855545

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 75, 93, 105, 155, 175, 217, 465, 525, 651, 775, 829, 1085, 2325, 2487, 3255, 4145, 5425, 5803, 12435, 16275, 17409, 20725, 25699, 29015, 62175, 77097, 87045, 128495, 145075, 179893, 385485, 435225, 539679, 642475, 899465, 1927425, 2698395, 4497325, 13491975]

約数ペア:

[(1, 13491975), (3, 4497325), (5, 2698395), (7, 1927425), (15, 899465), (21, 642475), (25, 539679), (31, 435225), (35, 385485), (75, 179893), (93, 145075), (105, 128495), (155, 87045), (175, 77097), (217, 62175), (465, 29015), (525, 25699), (651, 20725), (775, 17409), (829, 16275), (1085, 12435), (2325, 5803), (2487, 5425), (3255, 4145)]