220793025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 389332224

約数和(自身を除く): 168539199

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 157, 255, 425, 471, 785, 1103, 1275, 2355, 2669, 3309, 3925, 5515, 8007, 11775, 13345, 16545, 18751, 27575, 40035, 56253, 66725, 82725, 93755, 173171, 200175, 281265, 468775, 519513, 865855, 1406325, 2597565, 2943907, 4329275, 8831721, 12987825, 14719535, 44158605, 73597675, 220793025]

約数ペア:

[(1, 220793025), (3, 73597675), (5, 44158605), (15, 14719535), (17, 12987825), (25, 8831721), (51, 4329275), (75, 2943907), (85, 2597565), (157, 1406325), (255, 865855), (425, 519513), (471, 468775), (785, 281265), (1103, 200175), (1275, 173171), (2355, 93755), (2669, 82725), (3309, 66725), (3925, 56253), (5515, 40035), (8007, 27575), (11775, 18751), (13345, 16545)]