11551905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 21528000

約数和(自身を除く): 9976095

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 59, 95, 171, 177, 229, 285, 295, 531, 687, 855, 885, 1121, 1145, 2061, 2655, 3363, 3435, 4351, 5605, 10089, 10305, 13053, 13511, 16815, 21755, 39159, 40533, 50445, 65265, 67555, 121599, 195795, 202665, 256709, 607995, 770127, 1283545, 2310381, 3850635, 11551905]

約数ペア:

[(1, 11551905), (3, 3850635), (5, 2310381), (9, 1283545), (15, 770127), (19, 607995), (45, 256709), (57, 202665), (59, 195795), (95, 121599), (171, 67555), (177, 65265), (229, 50445), (285, 40533), (295, 39159), (531, 21755), (687, 16815), (855, 13511), (885, 13053), (1121, 10305), (1145, 10089), (2061, 5605), (2655, 4351), (3363, 3435)]