12506175

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 25379328

約数和(自身を除く): 12873153

約数列:

[1, 3, 5, 9, 11, 15, 25, 31, 33, 45, 55, 75, 93, 99, 155, 163, 165, 225, 275, 279, 341, 465, 489, 495, 775, 815, 825, 1023, 1395, 1467, 1705, 1793, 2325, 2445, 2475, 3069, 4075, 5053, 5115, 5379, 6975, 7335, 8525, 8965, 12225, 15159, 15345, 16137, 25265, 25575, 26895, 36675, 44825, 45477, 55583, 75795, 76725, 80685, 126325, 134475, 166749, 227385, 277915, 378975, 403425, 500247, 833745, 1136925, 1389575, 2501235, 4168725, 12506175]

約数ペア:

[(1, 12506175), (3, 4168725), (5, 2501235), (9, 1389575), (11, 1136925), (15, 833745), (25, 500247), (31, 403425), (33, 378975), (45, 277915), (55, 227385), (75, 166749), (93, 134475), (99, 126325), (155, 80685), (163, 76725), (165, 75795), (225, 55583), (275, 45477), (279, 44825), (341, 36675), (465, 26895), (489, 25575), (495, 25265), (775, 16137), (815, 15345), (825, 15159), (1023, 12225), (1395, 8965), (1467, 8525), (1705, 7335), (1793, 6975), (2325, 5379), (2445, 5115), (2475, 5053), (3069, 4075)]