28304145

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 54348840

約数和(自身を除く): 26044695

約数列:

[1, 3, 5, 9, 15, 23, 29, 41, 45, 69, 87, 115, 123, 145, 205, 207, 261, 345, 369, 435, 529, 615, 667, 943, 1035, 1189, 1305, 1587, 1845, 2001, 2645, 2829, 3335, 3567, 4715, 4761, 5945, 6003, 7935, 8487, 10005, 10701, 14145, 15341, 17835, 21689, 23805, 27347, 30015, 42435, 46023, 53505, 65067, 76705, 82041, 108445, 136735, 138069, 195201, 230115, 246123, 325335, 410205, 628981, 690345, 976005, 1230615, 1886943, 3144905, 5660829, 9434715, 28304145]

約数ペア:

[(1, 28304145), (3, 9434715), (5, 5660829), (9, 3144905), (15, 1886943), (23, 1230615), (29, 976005), (41, 690345), (45, 628981), (69, 410205), (87, 325335), (115, 246123), (123, 230115), (145, 195201), (205, 138069), (207, 136735), (261, 108445), (345, 82041), (369, 76705), (435, 65067), (529, 53505), (615, 46023), (667, 42435), (943, 30015), (1035, 27347), (1189, 23805), (1305, 21689), (1587, 17835), (1845, 15341), (2001, 14145), (2645, 10701), (2829, 10005), (3335, 8487), (3567, 7935), (4715, 6003), (4761, 5945)]