7884345

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 15562368

約数和(自身を除く): 7678023

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 631, 735, 833, 1785, 1893, 2499, 3155, 4165, 4417, 9465, 10727, 12495, 13251, 22085, 30919, 32181, 53635, 66255, 75089, 92757, 154595, 160905, 225267, 375445, 463785, 525623, 1126335, 1576869, 2628115, 7884345]

約数ペア:

[(1, 7884345), (3, 2628115), (5, 1576869), (7, 1126335), (15, 525623), (17, 463785), (21, 375445), (35, 225267), (49, 160905), (51, 154595), (85, 92757), (105, 75089), (119, 66255), (147, 53635), (245, 32181), (255, 30919), (357, 22085), (595, 13251), (631, 12495), (735, 10727), (833, 9465), (1785, 4417), (1893, 4165), (2499, 3155)]