13121685

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 24336000

約数和(自身を除く): 11214315

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 103, 149, 171, 285, 309, 447, 515, 745, 855, 927, 1341, 1545, 1957, 2235, 2831, 4635, 5871, 6705, 8493, 9785, 14155, 15347, 17613, 25479, 29355, 42465, 46041, 76735, 88065, 127395, 138123, 230205, 291593, 690615, 874779, 1457965, 2624337, 4373895, 13121685]

約数ペア:

[(1, 13121685), (3, 4373895), (5, 2624337), (9, 1457965), (15, 874779), (19, 690615), (45, 291593), (57, 230205), (95, 138123), (103, 127395), (149, 88065), (171, 76735), (285, 46041), (309, 42465), (447, 29355), (515, 25479), (745, 17613), (855, 15347), (927, 14155), (1341, 9785), (1545, 8493), (1957, 6705), (2235, 5871), (2831, 4635)]