198236475

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 371559552

約数和(自身を除く): 173323077

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 97, 155, 225, 279, 291, 293, 465, 485, 775, 873, 879, 1395, 1455, 1465, 2325, 2425, 2637, 3007, 4365, 4395, 6975, 7275, 7325, 9021, 9083, 13185, 15035, 21825, 21975, 27063, 27249, 28421, 45105, 45415, 65925, 75175, 81747, 85263, 135315, 136245, 142105, 225525, 227075, 255789, 408735, 426315, 676575, 681225, 710525, 881051, 1278945, 2043675, 2131575, 2643153, 4405255, 6394725, 7929459, 13215765, 22026275, 39647295, 66078825, 198236475]

約数ペア:

[(1, 198236475), (3, 66078825), (5, 39647295), (9, 22026275), (15, 13215765), (25, 7929459), (31, 6394725), (45, 4405255), (75, 2643153), (93, 2131575), (97, 2043675), (155, 1278945), (225, 881051), (279, 710525), (291, 681225), (293, 676575), (465, 426315), (485, 408735), (775, 255789), (873, 227075), (879, 225525), (1395, 142105), (1455, 136245), (1465, 135315), (2325, 85263), (2425, 81747), (2637, 75175), (3007, 65925), (4365, 45415), (4395, 45105), (6975, 28421), (7275, 27249), (7325, 27063), (9021, 21975), (9083, 21825), (13185, 15035)]