71750205

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 137214000

約数和(自身を除く): 65463795

約数列:

[1, 3, 5, 9, 15, 27, 29, 41, 45, 81, 87, 123, 135, 145, 149, 205, 261, 369, 405, 435, 447, 615, 745, 783, 1107, 1189, 1305, 1341, 1845, 2235, 2349, 3321, 3567, 3915, 4023, 4321, 5535, 5945, 6109, 6705, 10701, 11745, 12069, 12963, 16605, 17835, 18327, 20115, 21605, 30545, 32103, 38889, 53505, 54981, 60345, 64815, 91635, 96309, 116667, 160515, 164943, 177161, 194445, 274905, 350001, 481545, 494829, 531483, 583335, 824715, 885805, 1594449, 1750005, 2474145, 2657415, 4783347, 7972245, 14350041, 23916735, 71750205]

約数ペア:

[(1, 71750205), (3, 23916735), (5, 14350041), (9, 7972245), (15, 4783347), (27, 2657415), (29, 2474145), (41, 1750005), (45, 1594449), (81, 885805), (87, 824715), (123, 583335), (135, 531483), (145, 494829), (149, 481545), (205, 350001), (261, 274905), (369, 194445), (405, 177161), (435, 164943), (447, 160515), (615, 116667), (745, 96309), (783, 91635), (1107, 64815), (1189, 60345), (1305, 54981), (1341, 53505), (1845, 38889), (2235, 32103), (2349, 30545), (3321, 21605), (3567, 20115), (3915, 18327), (4023, 17835), (4321, 16605), (5535, 12963), (5945, 12069), (6109, 11745), (6705, 10701)]