201218715

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2039}}^1$

素因数の和:2113

約数の個数: 64

約数和(自身を含む): 387763200

約数和(自身を除く): 186544485

約数列:

[1, 3, 5, 9, 15, 17, 27, 43, 45, 51, 85, 129, 135, 153, 215, 255, 387, 459, 645, 731, 765, 1161, 1935, 2039, 2193, 2295, 3655, 5805, 6117, 6579, 10195, 10965, 18351, 19737, 30585, 32895, 34663, 55053, 87677, 91755, 98685, 103989, 173315, 263031, 275265, 311967, 438385, 519945, 789093, 935901, 1315155, 1490509, 1559835, 2367279, 3945465, 4471527, 4679505, 7452545, 11836395, 13414581, 22357635, 40243743, 67072905, 201218715]

約数ペア:

[(1, 201218715), (3, 67072905), (5, 40243743), (9, 22357635), (15, 13414581), (17, 11836395), (27, 7452545), (43, 4679505), (45, 4471527), (51, 3945465), (85, 2367279), (129, 1559835), (135, 1490509), (153, 1315155), (215, 935901), (255, 789093), (387, 519945), (459, 438385), (645, 311967), (731, 275265), (765, 263031), (1161, 173315), (1935, 103989), (2039, 98685), (2193, 91755), (2295, 87677), (3655, 55053), (5805, 34663), (6117, 32895), (6579, 30585), (10195, 19737), (10965, 18351)]