18281025

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 39640320

約数和(自身を除く): 21359295

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 53, 63, 73, 75, 105, 135, 159, 175, 189, 219, 225, 265, 315, 365, 371, 477, 511, 525, 657, 675, 795, 945, 1095, 1113, 1325, 1431, 1533, 1575, 1825, 1855, 1971, 2385, 2555, 3285, 3339, 3869, 3975, 4599, 4725, 5475, 5565, 7155, 7665, 9275, 9855, 10017, 11607, 11925, 12775, 13797, 16425, 16695, 19345, 22995, 27083, 27825, 34821, 35775, 38325, 49275, 50085, 58035, 68985, 81249, 83475, 96725, 104463, 114975, 135415, 174105, 243747, 250425, 290175, 344925, 406245, 522315, 677075, 731241, 870525, 1218735, 2031225, 2611575, 3656205, 6093675, 18281025]

約数ペア:

[(1, 18281025), (3, 6093675), (5, 3656205), (7, 2611575), (9, 2031225), (15, 1218735), (21, 870525), (25, 731241), (27, 677075), (35, 522315), (45, 406245), (53, 344925), (63, 290175), (73, 250425), (75, 243747), (105, 174105), (135, 135415), (159, 114975), (175, 104463), (189, 96725), (219, 83475), (225, 81249), (265, 68985), (315, 58035), (365, 50085), (371, 49275), (477, 38325), (511, 35775), (525, 34821), (657, 27825), (675, 27083), (795, 22995), (945, 19345), (1095, 16695), (1113, 16425), (1325, 13797), (1431, 12775), (1533, 11925), (1575, 11607), (1825, 10017), (1855, 9855), (1971, 9275), (2385, 7665), (2555, 7155), (3285, 5565), (3339, 5475), (3869, 4725), (3975, 4599)]