51615018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31511}}^1$

素因数の和:31539

約数の個数: 48

約数和(自身を含む): 137644416

約数和(自身を除く): 86029398

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 31511, 63022, 94533, 189066, 220577, 283599, 409643, 441154, 567198, 661731, 819286, 1228929, 1323462, 1985193, 2457858, 2867501, 3686787, 3970386, 5735002, 7373574, 8602503, 17205006, 25807509, 51615018]

約数ペア:

[(1, 51615018), (2, 25807509), (3, 17205006), (6, 8602503), (7, 7373574), (9, 5735002), (13, 3970386), (14, 3686787), (18, 2867501), (21, 2457858), (26, 1985193), (39, 1323462), (42, 1228929), (63, 819286), (78, 661731), (91, 567198), (117, 441154), (126, 409643), (182, 283599), (234, 220577), (273, 189066), (546, 94533), (819, 63022), (1638, 31511)]