28830585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 55770624

約数和(自身を除く): 26940039

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 41, 105, 111, 123, 181, 185, 205, 259, 287, 543, 555, 615, 777, 861, 905, 1267, 1295, 1435, 1517, 2715, 3801, 3885, 4305, 4551, 6335, 6697, 7421, 7585, 10619, 19005, 20091, 22263, 22755, 31857, 33485, 37105, 46879, 51947, 53095, 100455, 111315, 140637, 155841, 159285, 234395, 259735, 274577, 703185, 779205, 823731, 1372885, 1922039, 4118655, 5766117, 9610195, 28830585]

約数ペア:

[(1, 28830585), (3, 9610195), (5, 5766117), (7, 4118655), (15, 1922039), (21, 1372885), (35, 823731), (37, 779205), (41, 703185), (105, 274577), (111, 259735), (123, 234395), (181, 159285), (185, 155841), (205, 140637), (259, 111315), (287, 100455), (543, 53095), (555, 51947), (615, 46879), (777, 37105), (861, 33485), (905, 31857), (1267, 22755), (1295, 22263), (1435, 20091), (1517, 19005), (2715, 10619), (3801, 7585), (3885, 7421), (4305, 6697), (4551, 6335)]