11781045

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1567

約数の個数: 40

約数和(自身を含む): 22244640

約数和(自身を除く): 10463595

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1531, 1539, 2565, 4593, 7655, 7695, 13779, 22965, 29089, 41337, 68895, 87267, 124011, 145445, 206685, 261801, 436335, 620055, 785403, 1309005, 2356209, 3927015, 11781045]

約数ペア:

[(1, 11781045), (3, 3927015), (5, 2356209), (9, 1309005), (15, 785403), (19, 620055), (27, 436335), (45, 261801), (57, 206685), (81, 145445), (95, 124011), (135, 87267), (171, 68895), (285, 41337), (405, 29089), (513, 22965), (855, 13779), (1531, 7695), (1539, 7655), (2565, 4593)]