3971565

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 7956480

約数和(自身を除く): 3984915

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 73, 93, 117, 135, 155, 195, 219, 279, 351, 365, 403, 465, 585, 657, 837, 949, 1095, 1209, 1395, 1755, 1971, 2015, 2263, 2847, 3285, 3627, 4185, 4745, 6045, 6789, 8541, 9855, 10881, 11315, 14235, 18135, 20367, 25623, 29419, 33945, 42705, 54405, 61101, 88257, 101835, 128115, 147095, 264771, 305505, 441285, 794313, 1323855, 3971565]

約数ペア:

[(1, 3971565), (3, 1323855), (5, 794313), (9, 441285), (13, 305505), (15, 264771), (27, 147095), (31, 128115), (39, 101835), (45, 88257), (65, 61101), (73, 54405), (93, 42705), (117, 33945), (135, 29419), (155, 25623), (195, 20367), (219, 18135), (279, 14235), (351, 11315), (365, 10881), (403, 9855), (465, 8541), (585, 6789), (657, 6045), (837, 4745), (949, 4185), (1095, 3627), (1209, 3285), (1395, 2847), (1755, 2263), (1971, 2015)]