201491445

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{1277}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 329539968

約数和(自身を除く): 128048523

約数列:

[1, 3, 5, 15, 67, 157, 201, 335, 471, 785, 1005, 1277, 2355, 3831, 6385, 10519, 19155, 31557, 52595, 85559, 157785, 200489, 256677, 427795, 601467, 1002445, 1283385, 3007335, 13432763, 40298289, 67163815, 201491445]

約数ペア:

[(1, 201491445), (3, 67163815), (5, 40298289), (15, 13432763), (67, 3007335), (157, 1283385), (201, 1002445), (335, 601467), (471, 427795), (785, 256677), (1005, 200489), (1277, 157785), (2355, 85559), (3831, 52595), (6385, 31557), (10519, 19155)]