2789343963

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{719}}^1$

素因数の和:1221

約数の個数: 72

約数和(自身を含む): 4951065600

約数和(自身を除く): 2161721637

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 463, 719, 931, 1197, 1389, 2157, 2793, 3241, 4167, 5033, 6471, 8379, 8797, 9723, 13661, 15099, 22687, 26391, 29169, 35231, 40983, 45297, 61579, 68061, 79173, 95627, 105693, 122949, 184737, 204183, 286881, 317079, 332897, 431053, 554211, 669389, 860643, 998691, 1293159, 2008167, 2330279, 2996073, 3879477, 6024501, 6325043, 6990837, 16311953, 18975129, 20972511, 44275301, 48935859, 56925387, 132825903, 146807577, 309927107, 398477709, 929781321, 2789343963]

約数ペア:

[(1, 2789343963), (3, 929781321), (7, 398477709), (9, 309927107), (19, 146807577), (21, 132825903), (49, 56925387), (57, 48935859), (63, 44275301), (133, 20972511), (147, 18975129), (171, 16311953), (399, 6990837), (441, 6325043), (463, 6024501), (719, 3879477), (931, 2996073), (1197, 2330279), (1389, 2008167), (2157, 1293159), (2793, 998691), (3241, 860643), (4167, 669389), (5033, 554211), (6471, 431053), (8379, 332897), (8797, 317079), (9723, 286881), (13661, 204183), (15099, 184737), (22687, 122949), (26391, 105693), (29169, 95627), (35231, 79173), (40983, 68061), (45297, 61579)]