15380475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 28164864

約数和(自身を除く): 12784389

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 103, 165, 181, 275, 309, 515, 543, 825, 905, 1133, 1545, 1991, 2575, 2715, 3399, 4525, 5665, 5973, 7725, 9955, 13575, 16995, 18643, 28325, 29865, 49775, 55929, 84975, 93215, 149325, 205073, 279645, 466075, 615219, 1025365, 1398225, 3076095, 5126825, 15380475]

約数ペア:

[(1, 15380475), (3, 5126825), (5, 3076095), (11, 1398225), (15, 1025365), (25, 615219), (33, 466075), (55, 279645), (75, 205073), (103, 149325), (165, 93215), (181, 84975), (275, 55929), (309, 49775), (515, 29865), (543, 28325), (825, 18643), (905, 16995), (1133, 13575), (1545, 9955), (1991, 7725), (2575, 5973), (2715, 5665), (3399, 4525)]