21492893175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{8689}}^1$

素因数の和:8817

約数の個数: 96

約数和(自身を含む): 39826617600

約数和(自身を除く): 18333724425

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 59, 65, 75, 129, 177, 195, 215, 295, 325, 559, 645, 767, 885, 975, 1075, 1475, 1677, 2301, 2537, 2795, 3225, 3835, 4425, 7611, 8385, 8689, 11505, 12685, 13975, 19175, 26067, 32981, 38055, 41925, 43445, 57525, 63425, 98943, 112957, 130335, 164905, 190275, 217225, 338871, 373627, 494715, 512651, 564785, 651675, 824525, 1120881, 1537953, 1694355, 1868135, 2473575, 2563255, 2823925, 4857151, 5604405, 6664463, 7689765, 8471775, 9340675, 12816275, 14571453, 19993389, 22043993, 24285755, 28022025, 33322315, 38448825, 66131979, 72857265, 99966945, 110219965, 121428775, 166611575, 286571909, 330659895, 364286325, 499834725, 551099825, 859715727, 1432859545, 1653299475, 4298578635, 7164297725, 21492893175]

約数ペア:

[(1, 21492893175), (3, 7164297725), (5, 4298578635), (13, 1653299475), (15, 1432859545), (25, 859715727), (39, 551099825), (43, 499834725), (59, 364286325), (65, 330659895), (75, 286571909), (129, 166611575), (177, 121428775), (195, 110219965), (215, 99966945), (295, 72857265), (325, 66131979), (559, 38448825), (645, 33322315), (767, 28022025), (885, 24285755), (975, 22043993), (1075, 19993389), (1475, 14571453), (1677, 12816275), (2301, 9340675), (2537, 8471775), (2795, 7689765), (3225, 6664463), (3835, 5604405), (4425, 4857151), (7611, 2823925), (8385, 2563255), (8689, 2473575), (11505, 1868135), (12685, 1694355), (13975, 1537953), (19175, 1120881), (26067, 824525), (32981, 651675), (38055, 564785), (41925, 512651), (43445, 494715), (57525, 373627), (63425, 338871), (98943, 217225), (112957, 190275), (130335, 164905)]