2261595

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 4481568

約数和(自身を除く): 2219973

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 181, 245, 255, 357, 543, 595, 735, 833, 905, 1267, 1785, 2499, 2715, 3077, 3801, 4165, 6335, 8869, 9231, 12495, 15385, 19005, 21539, 26607, 44345, 46155, 64617, 107695, 133035, 150773, 323085, 452319, 753865, 2261595]

約数ペア:

[(1, 2261595), (3, 753865), (5, 452319), (7, 323085), (15, 150773), (17, 133035), (21, 107695), (35, 64617), (49, 46155), (51, 44345), (85, 26607), (105, 21539), (119, 19005), (147, 15385), (181, 12495), (245, 9231), (255, 8869), (357, 6335), (543, 4165), (595, 3801), (735, 3077), (833, 2715), (905, 2499), (1267, 1785)]