26290395

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 48615840

約数和(自身を除く): 22325445

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 97, 171, 285, 291, 317, 485, 855, 873, 951, 1455, 1585, 1843, 2853, 4365, 4755, 5529, 6023, 9215, 14265, 16587, 18069, 27645, 30115, 30749, 54207, 82935, 90345, 92247, 153745, 271035, 276741, 461235, 584231, 1383705, 1752693, 2921155, 5258079, 8763465, 26290395]

約数ペア:

[(1, 26290395), (3, 8763465), (5, 5258079), (9, 2921155), (15, 1752693), (19, 1383705), (45, 584231), (57, 461235), (95, 276741), (97, 271035), (171, 153745), (285, 92247), (291, 90345), (317, 82935), (485, 54207), (855, 30749), (873, 30115), (951, 27645), (1455, 18069), (1585, 16587), (1843, 14265), (2853, 9215), (4365, 6023), (4755, 5529)]