61686738

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^2\times {\mathrm{307}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 139819680

約数和(自身を除く): 78132942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 307, 366, 549, 614, 921, 1098, 1647, 1842, 2763, 3294, 3721, 5526, 7442, 8289, 11163, 16578, 18727, 22326, 33489, 37454, 56181, 66978, 100467, 112362, 168543, 200934, 337086, 505629, 1011258, 1142347, 2284694, 3427041, 6854082, 10281123, 20562246, 30843369, 61686738]

約数ペア:

[(1, 61686738), (2, 30843369), (3, 20562246), (6, 10281123), (9, 6854082), (18, 3427041), (27, 2284694), (54, 1142347), (61, 1011258), (122, 505629), (183, 337086), (307, 200934), (366, 168543), (549, 112362), (614, 100467), (921, 66978), (1098, 56181), (1647, 37454), (1842, 33489), (2763, 22326), (3294, 18727), (3721, 16578), (5526, 11163), (7442, 8289)]