2153745

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 4305600

約数和(自身を除く): 2151855

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 229, 285, 495, 627, 687, 855, 1045, 1145, 1881, 2061, 2519, 3135, 3435, 4351, 7557, 9405, 10305, 12595, 13053, 21755, 22671, 37785, 39159, 47861, 65265, 113355, 143583, 195795, 239305, 430749, 717915, 2153745]

約数ペア:

[(1, 2153745), (3, 717915), (5, 430749), (9, 239305), (11, 195795), (15, 143583), (19, 113355), (33, 65265), (45, 47861), (55, 39159), (57, 37785), (95, 22671), (99, 21755), (165, 13053), (171, 12595), (209, 10305), (229, 9405), (285, 7557), (495, 4351), (627, 3435), (687, 3135), (855, 2519), (1045, 2061), (1145, 1881)]