81404622

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 198112320

約数和(自身を除く): 116707698

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 61, 78, 117, 122, 183, 234, 351, 366, 549, 702, 793, 1098, 1586, 1647, 1901, 2379, 3294, 3802, 4758, 5703, 7137, 11406, 14274, 17109, 21411, 24713, 34218, 42822, 49426, 51327, 74139, 102654, 115961, 148278, 222417, 231922, 347883, 444834, 667251, 695766, 1043649, 1334502, 1507493, 2087298, 3014986, 3130947, 4522479, 6261894, 9044958, 13567437, 27134874, 40702311, 81404622]

約数ペア:

[(1, 81404622), (2, 40702311), (3, 27134874), (6, 13567437), (9, 9044958), (13, 6261894), (18, 4522479), (26, 3130947), (27, 3014986), (39, 2087298), (54, 1507493), (61, 1334502), (78, 1043649), (117, 695766), (122, 667251), (183, 444834), (234, 347883), (351, 231922), (366, 222417), (549, 148278), (702, 115961), (793, 102654), (1098, 74139), (1586, 51327), (1647, 49426), (1901, 42822), (2379, 34218), (3294, 24713), (3802, 21411), (4758, 17109), (5703, 14274), (7137, 11406)]