31250205

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 65328384

約数和(自身を除く): 34078179

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 73, 81, 105, 135, 151, 189, 219, 315, 365, 405, 453, 511, 567, 657, 755, 945, 1057, 1095, 1359, 1533, 1971, 2265, 2555, 2835, 3171, 3285, 4077, 4599, 5285, 5913, 6795, 7665, 9513, 9855, 11023, 12231, 13797, 15855, 20385, 22995, 28539, 29565, 33069, 41391, 47565, 55115, 61155, 68985, 77161, 85617, 99207, 142695, 165345, 206955, 231483, 297621, 385805, 428085, 496035, 694449, 892863, 1157415, 1488105, 2083347, 3472245, 4464315, 6250041, 10416735, 31250205]

約数ペア:

[(1, 31250205), (3, 10416735), (5, 6250041), (7, 4464315), (9, 3472245), (15, 2083347), (21, 1488105), (27, 1157415), (35, 892863), (45, 694449), (63, 496035), (73, 428085), (81, 385805), (105, 297621), (135, 231483), (151, 206955), (189, 165345), (219, 142695), (315, 99207), (365, 85617), (405, 77161), (453, 68985), (511, 61155), (567, 55115), (657, 47565), (755, 41391), (945, 33069), (1057, 29565), (1095, 28539), (1359, 22995), (1533, 20385), (1971, 15855), (2265, 13797), (2555, 12231), (2835, 11023), (3171, 9855), (3285, 9513), (4077, 7665), (4599, 6795), (5285, 5913)]