780147459

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 1482848640

約数和(自身を除く): 702701181

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 137, 153, 221, 273, 357, 409, 411, 663, 819, 959, 1071, 1227, 1233, 1547, 1781, 1989, 2329, 2863, 2877, 3681, 4641, 5317, 5343, 6953, 6987, 8589, 8631, 12467, 13923, 15951, 16029, 16303, 20859, 20961, 25767, 30277, 37219, 37401, 47853, 48671, 48909, 56033, 62577, 90389, 90831, 111657, 112203, 146013, 146727, 168099, 211939, 271167, 272493, 334971, 392231, 438039, 504297, 632723, 635817, 728429, 813501, 952561, 1176693, 1898169, 1907451, 2185287, 2857683, 3530079, 5099003, 5694507, 6555861, 6667927, 8573049, 12383293, 15297009, 20003781, 37149879, 45891027, 60011343, 86683051, 111449637, 260049153, 780147459]

約数ペア:

[(1, 780147459), (3, 260049153), (7, 111449637), (9, 86683051), (13, 60011343), (17, 45891027), (21, 37149879), (39, 20003781), (51, 15297009), (63, 12383293), (91, 8573049), (117, 6667927), (119, 6555861), (137, 5694507), (153, 5099003), (221, 3530079), (273, 2857683), (357, 2185287), (409, 1907451), (411, 1898169), (663, 1176693), (819, 952561), (959, 813501), (1071, 728429), (1227, 635817), (1233, 632723), (1547, 504297), (1781, 438039), (1989, 392231), (2329, 334971), (2863, 272493), (2877, 271167), (3681, 211939), (4641, 168099), (5317, 146727), (5343, 146013), (6953, 112203), (6987, 111657), (8589, 90831), (8631, 90389), (12467, 62577), (13923, 56033), (15951, 48909), (16029, 48671), (16303, 47853), (20859, 37401), (20961, 37219), (25767, 30277)]