72012507

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{1489}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 114432000

約数和(自身を除く): 42419493

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 987, 1029, 1489, 2303, 4467, 6909, 10423, 16121, 31269, 48363, 69983, 72961, 209949, 218883, 489881, 510727, 1469643, 1532181, 3429167, 10287501, 24004169, 72012507]

約数ペア:

[(1, 72012507), (3, 24004169), (7, 10287501), (21, 3429167), (47, 1532181), (49, 1469643), (141, 510727), (147, 489881), (329, 218883), (343, 209949), (987, 72961), (1029, 69983), (1489, 48363), (2303, 31269), (4467, 16121), (6909, 10423)]