12171375

素因数分解:

$3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 22713600

約数和(自身を除く): 10542225

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 125, 155, 225, 279, 349, 375, 465, 775, 1047, 1125, 1395, 1745, 2325, 3141, 3875, 5235, 6975, 8725, 10819, 11625, 15705, 26175, 32457, 34875, 43625, 54095, 78525, 97371, 130875, 162285, 270475, 392625, 486855, 811425, 1352375, 2434275, 4057125, 12171375]

約数ペア:

[(1, 12171375), (3, 4057125), (5, 2434275), (9, 1352375), (15, 811425), (25, 486855), (31, 392625), (45, 270475), (75, 162285), (93, 130875), (125, 97371), (155, 78525), (225, 54095), (279, 43625), (349, 34875), (375, 32457), (465, 26175), (775, 15705), (1047, 11625), (1125, 10819), (1395, 8725), (1745, 6975), (2325, 5235), (3141, 3875)]