74707605

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2035

約数の個数: 72

約数和(自身を含む): 159575832

約数和(自身を除く): 84868227

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 833, 1071, 1785, 1993, 2205, 2499, 4165, 5355, 5979, 7497, 9965, 12495, 13951, 17937, 29895, 33881, 37485, 41853, 69755, 89685, 97657, 101643, 125559, 169405, 209265, 237167, 292971, 304929, 488285, 508215, 627795, 711501, 878913, 1185835, 1464855, 1524645, 1660169, 2134503, 3557505, 4394565, 4980507, 8300845, 10672515, 14941521, 24902535, 74707605]

約数ペア:

[(1, 74707605), (3, 24902535), (5, 14941521), (7, 10672515), (9, 8300845), (15, 4980507), (17, 4394565), (21, 3557505), (35, 2134503), (45, 1660169), (49, 1524645), (51, 1464855), (63, 1185835), (85, 878913), (105, 711501), (119, 627795), (147, 508215), (153, 488285), (245, 304929), (255, 292971), (315, 237167), (357, 209265), (441, 169405), (595, 125559), (735, 101643), (765, 97657), (833, 89685), (1071, 69755), (1785, 41853), (1993, 37485), (2205, 33881), (2499, 29895), (4165, 17937), (5355, 13951), (5979, 12495), (7497, 9965)]