18810225

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{1327}}^1$

素因数の和:1356

約数の個数: 60

約数和(自身を含む): 39850624

約数和(自身を除く): 21040399

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 315, 405, 525, 567, 675, 945, 1327, 1575, 2025, 2835, 3981, 4725, 6635, 9289, 11943, 14175, 19905, 27867, 33175, 35829, 46445, 59715, 83601, 99525, 107487, 139335, 179145, 232225, 250803, 298575, 418005, 537435, 696675, 752409, 895725, 1254015, 2090025, 2687175, 3762045, 6270075, 18810225]

約数ペア:

[(1, 18810225), (3, 6270075), (5, 3762045), (7, 2687175), (9, 2090025), (15, 1254015), (21, 895725), (25, 752409), (27, 696675), (35, 537435), (45, 418005), (63, 298575), (75, 250803), (81, 232225), (105, 179145), (135, 139335), (175, 107487), (189, 99525), (225, 83601), (315, 59715), (405, 46445), (525, 35829), (567, 33175), (675, 27867), (945, 19905), (1327, 14175), (1575, 11943), (2025, 9289), (2835, 6635), (3981, 4725)]