1678365

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 3319680

約数和(自身を除く): 1641315

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 151, 171, 195, 247, 285, 453, 585, 741, 755, 855, 1235, 1359, 1963, 2223, 2265, 2869, 3705, 5889, 6795, 8607, 9815, 11115, 14345, 17667, 25821, 29445, 37297, 43035, 88335, 111891, 129105, 186485, 335673, 559455, 1678365]

約数ペア:

[(1, 1678365), (3, 559455), (5, 335673), (9, 186485), (13, 129105), (15, 111891), (19, 88335), (39, 43035), (45, 37297), (57, 29445), (65, 25821), (95, 17667), (117, 14345), (151, 11115), (171, 9815), (195, 8607), (247, 6795), (285, 5889), (453, 3705), (585, 2869), (741, 2265), (755, 2223), (855, 1963), (1235, 1359)]