665794155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{293}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 1182246912

約数和(自身を除く): 516452757

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 271, 293, 559, 645, 813, 879, 1355, 1465, 1677, 2795, 3523, 3809, 4065, 4395, 8385, 10569, 11427, 11653, 12599, 17615, 19045, 34959, 37797, 52845, 57135, 58265, 62995, 79403, 151489, 163787, 174795, 188985, 238209, 397015, 454467, 491361, 757445, 818935, 1032239, 1191045, 2272335, 2456805, 3096717, 3414329, 5161195, 10242987, 15483585, 17071645, 44386277, 51214935, 133158831, 221931385, 665794155]

約数ペア:

[(1, 665794155), (3, 221931385), (5, 133158831), (13, 51214935), (15, 44386277), (39, 17071645), (43, 15483585), (65, 10242987), (129, 5161195), (195, 3414329), (215, 3096717), (271, 2456805), (293, 2272335), (559, 1191045), (645, 1032239), (813, 818935), (879, 757445), (1355, 491361), (1465, 454467), (1677, 397015), (2795, 238209), (3523, 188985), (3809, 174795), (4065, 163787), (4395, 151489), (8385, 79403), (10569, 62995), (11427, 58265), (11653, 57135), (12599, 52845), (17615, 37797), (19045, 34959)]