12828075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 23331840

約数和(自身を除く): 10503765

約数列:

[1, 3, 5, 13, 15, 25, 39, 59, 65, 75, 177, 195, 223, 295, 325, 669, 767, 885, 975, 1115, 1475, 2301, 2899, 3345, 3835, 4425, 5575, 8697, 11505, 13157, 14495, 16725, 19175, 39471, 43485, 57525, 65785, 72475, 171041, 197355, 217425, 328925, 513123, 855205, 986775, 2565615, 4276025, 12828075]

約数ペア:

[(1, 12828075), (3, 4276025), (5, 2565615), (13, 986775), (15, 855205), (25, 513123), (39, 328925), (59, 217425), (65, 197355), (75, 171041), (177, 72475), (195, 65785), (223, 57525), (295, 43485), (325, 39471), (669, 19175), (767, 16725), (885, 14495), (975, 13157), (1115, 11505), (1475, 8697), (2301, 5575), (2899, 4425), (3345, 3835)]