18051525

素因数分解:

$3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:635

約数の個数: 48

約数和(自身を含む): 33926400

約数和(自身を除く): 15874875

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 135, 141, 225, 235, 423, 569, 675, 705, 1175, 1269, 1707, 2115, 2845, 3525, 5121, 6345, 8535, 10575, 14225, 15363, 25605, 26743, 31725, 42675, 76815, 80229, 128025, 133715, 240687, 384075, 401145, 668575, 722061, 1203435, 2005725, 3610305, 6017175, 18051525]

約数ペア:

[(1, 18051525), (3, 6017175), (5, 3610305), (9, 2005725), (15, 1203435), (25, 722061), (27, 668575), (45, 401145), (47, 384075), (75, 240687), (135, 133715), (141, 128025), (225, 80229), (235, 76815), (423, 42675), (569, 31725), (675, 26743), (705, 25605), (1175, 15363), (1269, 14225), (1707, 10575), (2115, 8535), (2845, 6345), (3525, 5121)]