25415115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 47803392

約数和(自身を除く): 22388277

約数列:

[1, 3, 5, 11, 15, 23, 33, 37, 55, 69, 111, 115, 165, 181, 185, 253, 345, 407, 543, 555, 759, 851, 905, 1221, 1265, 1991, 2035, 2553, 2715, 3795, 4163, 4255, 5973, 6105, 6697, 9361, 9955, 12489, 12765, 20091, 20815, 28083, 29865, 33485, 45793, 46805, 62445, 73667, 100455, 137379, 140415, 154031, 221001, 228965, 368335, 462093, 686895, 770155, 1105005, 1694341, 2310465, 5083023, 8471705, 25415115]

約数ペア:

[(1, 25415115), (3, 8471705), (5, 5083023), (11, 2310465), (15, 1694341), (23, 1105005), (33, 770155), (37, 686895), (55, 462093), (69, 368335), (111, 228965), (115, 221001), (165, 154031), (181, 140415), (185, 137379), (253, 100455), (345, 73667), (407, 62445), (543, 46805), (555, 45793), (759, 33485), (851, 29865), (905, 28083), (1221, 20815), (1265, 20091), (1991, 12765), (2035, 12489), (2553, 9955), (2715, 9361), (3795, 6697), (4163, 6105), (4255, 5973)]