12181875

素因数分解:

$3^1\times 5^4\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 40

約数和(自身を含む): 20805840

約数和(自身を除く): 8623965

約数列:

[1, 3, 5, 15, 25, 73, 75, 89, 125, 219, 267, 365, 375, 445, 625, 1095, 1335, 1825, 1875, 2225, 5475, 6497, 6675, 9125, 11125, 19491, 27375, 32485, 33375, 45625, 55625, 97455, 136875, 162425, 166875, 487275, 812125, 2436375, 4060625, 12181875]

約数ペア:

[(1, 12181875), (3, 4060625), (5, 2436375), (15, 812125), (25, 487275), (73, 166875), (75, 162425), (89, 136875), (125, 97455), (219, 55625), (267, 45625), (365, 33375), (375, 32485), (445, 27375), (625, 19491), (1095, 11125), (1335, 9125), (1825, 6675), (1875, 6497), (2225, 5475)]