201215145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{6983}}^1$

素因数の和:7121

約数の個数: 32

約数和(自身を含む): 343948032

約数和(自身を除く): 142732887

約数列:

[1, 3, 5, 15, 17, 51, 85, 113, 255, 339, 565, 1695, 1921, 5763, 6983, 9605, 20949, 28815, 34915, 104745, 118711, 356133, 593555, 789079, 1780665, 2367237, 3945395, 11836185, 13414343, 40243029, 67071715, 201215145]

約数ペア:

[(1, 201215145), (3, 67071715), (5, 40243029), (15, 13414343), (17, 11836185), (51, 3945395), (85, 2367237), (113, 1780665), (255, 789079), (339, 593555), (565, 356133), (1695, 118711), (1921, 104745), (5763, 34915), (6983, 28815), (9605, 20949)]