254011563

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 425479392

約数和(自身を除く): 171467829

約数列:

[1, 3, 9, 13, 23, 39, 53, 69, 117, 137, 159, 169, 207, 299, 411, 477, 507, 689, 897, 1219, 1233, 1521, 1781, 2067, 2691, 3151, 3657, 3887, 5343, 6201, 7261, 8957, 9453, 10971, 11661, 15847, 16029, 21783, 23153, 26871, 28359, 34983, 40963, 47541, 65349, 69459, 80613, 94393, 122889, 142623, 167003, 206011, 208377, 283179, 368667, 501009, 532519, 618033, 849537, 1227109, 1503027, 1597557, 1854099, 2171039, 3681327, 4792671, 6513117, 11043981, 19539351, 28223507, 84670521, 254011563]

約数ペア:

[(1, 254011563), (3, 84670521), (9, 28223507), (13, 19539351), (23, 11043981), (39, 6513117), (53, 4792671), (69, 3681327), (117, 2171039), (137, 1854099), (159, 1597557), (169, 1503027), (207, 1227109), (299, 849537), (411, 618033), (477, 532519), (507, 501009), (689, 368667), (897, 283179), (1219, 208377), (1233, 206011), (1521, 167003), (1781, 142623), (2067, 122889), (2691, 94393), (3151, 80613), (3657, 69459), (3887, 65349), (5343, 47541), (6201, 40963), (7261, 34983), (8957, 28359), (9453, 26871), (10971, 23153), (11661, 21783), (15847, 16029)]