220837275

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 416785824

約数和(自身を除く): 195948549

約数列:

[1, 3, 5, 9, 15, 25, 37, 41, 45, 75, 111, 123, 185, 205, 225, 333, 369, 555, 615, 647, 925, 1025, 1517, 1665, 1845, 1941, 2775, 3075, 3235, 4551, 5823, 7585, 8325, 9225, 9705, 13653, 16175, 22755, 23939, 26527, 29115, 37925, 48525, 68265, 71817, 79581, 113775, 119695, 132635, 145575, 215451, 238743, 341325, 359085, 397905, 598475, 663175, 981499, 1077255, 1193715, 1795425, 1989525, 2944497, 4907495, 5386275, 5968575, 8833491, 14722485, 24537475, 44167455, 73612425, 220837275]

約数ペア:

[(1, 220837275), (3, 73612425), (5, 44167455), (9, 24537475), (15, 14722485), (25, 8833491), (37, 5968575), (41, 5386275), (45, 4907495), (75, 2944497), (111, 1989525), (123, 1795425), (185, 1193715), (205, 1077255), (225, 981499), (333, 663175), (369, 598475), (555, 397905), (615, 359085), (647, 341325), (925, 238743), (1025, 215451), (1517, 145575), (1665, 132635), (1845, 119695), (1941, 113775), (2775, 79581), (3075, 71817), (3235, 68265), (4551, 48525), (5823, 37925), (7585, 29115), (8325, 26527), (9225, 23939), (9705, 22755), (13653, 16175)]