18250197

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 30697920

約数和(自身を除く): 12447723

約数列:

[1, 3, 7, 17, 21, 49, 51, 67, 109, 119, 147, 201, 327, 357, 469, 763, 833, 1139, 1407, 1853, 2289, 2499, 3283, 3417, 5341, 5559, 7303, 7973, 9849, 12971, 16023, 21909, 23919, 38913, 51121, 55811, 90797, 124151, 153363, 167433, 272391, 357847, 372453, 869057, 1073541, 2607171, 6083399, 18250197]

約数ペア:

[(1, 18250197), (3, 6083399), (7, 2607171), (17, 1073541), (21, 869057), (49, 372453), (51, 357847), (67, 272391), (109, 167433), (119, 153363), (147, 124151), (201, 90797), (327, 55811), (357, 51121), (469, 38913), (763, 23919), (833, 21909), (1139, 16023), (1407, 12971), (1853, 9849), (2289, 7973), (2499, 7303), (3283, 5559), (3417, 5341)]