400145955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{12697}}^1$

素因数の和:12907

約数の個数: 32

約数和(自身を含む): 702148608

約数和(自身を除く): 302002653

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 191, 573, 955, 2101, 2865, 6303, 10505, 12697, 31515, 38091, 63485, 139667, 190455, 419001, 698335, 2095005, 2425127, 7275381, 12125635, 26676397, 36376905, 80029191, 133381985, 400145955]

約数ペア:

[(1, 400145955), (3, 133381985), (5, 80029191), (11, 36376905), (15, 26676397), (33, 12125635), (55, 7275381), (165, 2425127), (191, 2095005), (573, 698335), (955, 419001), (2101, 190455), (2865, 139667), (6303, 63485), (10505, 38091), (12697, 31515)]