13231575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 28061696

約数和(自身を除く): 14830121

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 63, 75, 93, 105, 155, 175, 217, 225, 271, 279, 315, 465, 525, 651, 775, 813, 1085, 1355, 1395, 1575, 1897, 1953, 2325, 2439, 3255, 4065, 5425, 5691, 6775, 6975, 8401, 9485, 9765, 12195, 16275, 17073, 20325, 25203, 28455, 42005, 47425, 48825, 58807, 60975, 75609, 85365, 126015, 142275, 176421, 210025, 294035, 378045, 426825, 529263, 630075, 882105, 1470175, 1890225, 2646315, 4410525, 13231575]

約数ペア:

[(1, 13231575), (3, 4410525), (5, 2646315), (7, 1890225), (9, 1470175), (15, 882105), (21, 630075), (25, 529263), (31, 426825), (35, 378045), (45, 294035), (63, 210025), (75, 176421), (93, 142275), (105, 126015), (155, 85365), (175, 75609), (217, 60975), (225, 58807), (271, 48825), (279, 47425), (315, 42005), (465, 28455), (525, 25203), (651, 20325), (775, 17073), (813, 16275), (1085, 12195), (1355, 9765), (1395, 9485), (1575, 8401), (1897, 6975), (1953, 6775), (2325, 5691), (2439, 5425), (3255, 4065)]