65927979

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 111390720

約数和(自身を除く): 45462741

約数列:

[1, 3, 9, 13, 27, 31, 39, 73, 83, 93, 117, 219, 249, 279, 351, 403, 657, 747, 837, 949, 1079, 1209, 1971, 2241, 2263, 2573, 2847, 3237, 3627, 6059, 6789, 7719, 8541, 9711, 10881, 18177, 20367, 23157, 25623, 29133, 29419, 33449, 54531, 61101, 69471, 78767, 88257, 100347, 163593, 187829, 236301, 264771, 301041, 563487, 708903, 794313, 903123, 1690461, 2126709, 2441777, 5071383, 7325331, 21975993, 65927979]

約数ペア:

[(1, 65927979), (3, 21975993), (9, 7325331), (13, 5071383), (27, 2441777), (31, 2126709), (39, 1690461), (73, 903123), (83, 794313), (93, 708903), (117, 563487), (219, 301041), (249, 264771), (279, 236301), (351, 187829), (403, 163593), (657, 100347), (747, 88257), (837, 78767), (949, 69471), (1079, 61101), (1209, 54531), (1971, 33449), (2241, 29419), (2263, 29133), (2573, 25623), (2847, 23157), (3237, 20367), (3627, 18177), (6059, 10881), (6789, 9711), (7719, 8541)]