17731945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 27578880

約数和(自身を除く): 9846935

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 79, 121, 265, 371, 385, 395, 553, 583, 605, 847, 869, 1855, 2765, 2915, 4081, 4187, 4235, 4345, 6083, 6413, 9559, 20405, 20935, 29309, 30415, 32065, 44891, 46057, 47795, 66913, 146545, 224455, 230285, 322399, 334565, 506627, 1611995, 2533135, 3546389, 17731945]

約数ペア:

[(1, 17731945), (5, 3546389), (7, 2533135), (11, 1611995), (35, 506627), (53, 334565), (55, 322399), (77, 230285), (79, 224455), (121, 146545), (265, 66913), (371, 47795), (385, 46057), (395, 44891), (553, 32065), (583, 30415), (605, 29309), (847, 20935), (869, 20405), (1855, 9559), (2765, 6413), (2915, 6083), (4081, 4345), (4187, 4235)]