70731549

素因数分解:

$3^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:348

約数の個数: 60

約数和(自身を含む): 125139168

約数和(自身を除く): 54407619

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 81, 147, 189, 213, 251, 441, 497, 567, 639, 753, 1323, 1491, 1757, 1917, 2259, 3479, 3969, 4473, 5271, 5751, 6777, 10437, 12299, 13419, 15813, 17821, 20331, 31311, 36897, 40257, 47439, 53463, 93933, 110691, 124747, 142317, 160389, 281799, 332073, 374241, 481167, 873229, 996219, 1122723, 1443501, 2619687, 3368169, 7859061, 10104507, 23577183, 70731549]

約数ペア:

[(1, 70731549), (3, 23577183), (7, 10104507), (9, 7859061), (21, 3368169), (27, 2619687), (49, 1443501), (63, 1122723), (71, 996219), (81, 873229), (147, 481167), (189, 374241), (213, 332073), (251, 281799), (441, 160389), (497, 142317), (567, 124747), (639, 110691), (753, 93933), (1323, 53463), (1491, 47439), (1757, 40257), (1917, 36897), (2259, 31311), (3479, 20331), (3969, 17821), (4473, 15813), (5271, 13419), (5751, 12299), (6777, 10437)]