12820275

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:522

約数の個数: 60

約数和(自身を含む): 25626832

約数和(自身を除く): 12806557

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 487, 585, 675, 975, 1053, 1461, 1755, 2025, 2435, 2925, 4383, 5265, 6331, 7305, 8775, 12175, 13149, 18993, 21915, 26325, 31655, 36525, 39447, 56979, 65745, 94965, 109575, 158275, 170937, 197235, 284895, 328725, 474825, 512811, 854685, 986175, 1424475, 2564055, 4273425, 12820275]

約数ペア:

[(1, 12820275), (3, 4273425), (5, 2564055), (9, 1424475), (13, 986175), (15, 854685), (25, 512811), (27, 474825), (39, 328725), (45, 284895), (65, 197235), (75, 170937), (81, 158275), (117, 109575), (135, 94965), (195, 65745), (225, 56979), (325, 39447), (351, 36525), (405, 31655), (487, 26325), (585, 21915), (675, 18993), (975, 13149), (1053, 12175), (1461, 8775), (1755, 7305), (2025, 6331), (2435, 5265), (2925, 4383)]