79880535

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2131}}^1$

素因数の和:2173

約数の個数: 72

約数和(自身を含む): 170619696

約数和(自身を除く): 90739161

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, 2131, 2205, 2499, 4165, 5355, 6393, 7497, 10655, 12495, 14917, 19179, 31965, 36227, 37485, 44751, 74585, 95895, 104419, 108681, 134253, 181135, 223755, 253589, 313257, 326043, 522095, 543405, 671265, 760767, 939771, 1267945, 1566285, 1630215, 1775123, 2282301, 3803835, 4698855, 5325369, 8875615, 11411505, 15976107, 26626845, 79880535]

約数ペア:

[(1, 79880535), (3, 26626845), (5, 15976107), (7, 11411505), (9, 8875615), (15, 5325369), (17, 4698855), (21, 3803835), (35, 2282301), (45, 1775123), (49, 1630215), (51, 1566285), (63, 1267945), (85, 939771), (105, 760767), (119, 671265), (147, 543405), (153, 522095), (245, 326043), (255, 313257), (315, 253589), (357, 223755), (441, 181135), (595, 134253), (735, 108681), (765, 104419), (833, 95895), (1071, 74585), (1785, 44751), (2131, 37485), (2205, 36227), (2499, 31965), (4165, 19179), (5355, 14917), (6393, 12495), (7497, 10655)]