235838421

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1391

約数の個数: 72

約数和(自身を含む): 440853504

約数和(自身を除く): 205015083

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 49, 63, 91, 93, 117, 147, 217, 273, 279, 403, 441, 637, 651, 819, 1209, 1327, 1519, 1911, 1953, 2821, 3627, 3981, 4557, 5733, 8463, 9289, 11943, 13671, 17251, 19747, 25389, 27867, 41137, 51753, 59241, 65023, 83601, 120757, 123411, 155259, 177723, 195069, 287959, 362271, 370233, 534781, 585207, 845299, 863877, 1086813, 1604343, 2015713, 2535897, 2591631, 3743467, 4813029, 6047139, 7607691, 11230401, 18141417, 26204269, 33691203, 78612807, 235838421]

約数ペア:

[(1, 235838421), (3, 78612807), (7, 33691203), (9, 26204269), (13, 18141417), (21, 11230401), (31, 7607691), (39, 6047139), (49, 4813029), (63, 3743467), (91, 2591631), (93, 2535897), (117, 2015713), (147, 1604343), (217, 1086813), (273, 863877), (279, 845299), (403, 585207), (441, 534781), (637, 370233), (651, 362271), (819, 287959), (1209, 195069), (1327, 177723), (1519, 155259), (1911, 123411), (1953, 120757), (2821, 83601), (3627, 65023), (3981, 59241), (4557, 51753), (5733, 41137), (8463, 27867), (9289, 25389), (11943, 19747), (13671, 17251)]