261567117

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{81409}}^1$

素因数の和:81442

約数の個数: 32

約数和(自身を含む): 468921600

約数和(自身を除く): 207354483

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 81409, 244227, 569863, 732681, 1383953, 1709589, 2198043, 4151859, 5128767, 9687671, 12455577, 15386301, 29063013, 37366731, 87189039, 261567117]

約数ペア:

[(1, 261567117), (3, 87189039), (7, 37366731), (9, 29063013), (17, 15386301), (21, 12455577), (27, 9687671), (51, 5128767), (63, 4151859), (119, 2198043), (153, 1709589), (189, 1383953), (357, 732681), (459, 569863), (1071, 244227), (3213, 81409)]