261282675

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 441043200

約数和(自身を除く): 179760525

約数列:

[1, 3, 5, 15, 25, 75, 103, 149, 227, 309, 447, 515, 681, 745, 1135, 1545, 2235, 2575, 3405, 3725, 5675, 7725, 11175, 15347, 17025, 23381, 33823, 46041, 70143, 76735, 101469, 116905, 169115, 230205, 350715, 383675, 507345, 584525, 845575, 1151025, 1753575, 2536725, 3483769, 10451307, 17418845, 52256535, 87094225, 261282675]

約数ペア:

[(1, 261282675), (3, 87094225), (5, 52256535), (15, 17418845), (25, 10451307), (75, 3483769), (103, 2536725), (149, 1753575), (227, 1151025), (309, 845575), (447, 584525), (515, 507345), (681, 383675), (745, 350715), (1135, 230205), (1545, 169115), (2235, 116905), (2575, 101469), (3405, 76735), (3725, 70143), (5675, 46041), (7725, 33823), (11175, 23381), (15347, 17025)]