156629457

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{26489}}^1$

素因数の和:26574

約数の個数: 20

約数和(自身を含む): 237191460

約数和(自身を除く): 80562003

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 26489, 79467, 238401, 715203, 1933697, 2145609, 5801091, 17403273, 52209819, 156629457]

約数ペア:

[(1, 156629457), (3, 52209819), (9, 17403273), (27, 5801091), (73, 2145609), (81, 1933697), (219, 715203), (657, 238401), (1971, 79467), (5913, 26489)]