211505775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4093}}^1$

素因数の和:4172

約数の個数: 48

約数和(自身を含む): 383787936

約数和(自身を除く): 172282161

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 75, 159, 195, 265, 325, 689, 795, 975, 1325, 2067, 3445, 3975, 4093, 10335, 12279, 17225, 20465, 51675, 53209, 61395, 102325, 159627, 216929, 266045, 306975, 650787, 798135, 1084645, 1330225, 2820077, 3253935, 3990675, 5423225, 8460231, 14100385, 16269675, 42301155, 70501925, 211505775]

約数ペア:

[(1, 211505775), (3, 70501925), (5, 42301155), (13, 16269675), (15, 14100385), (25, 8460231), (39, 5423225), (53, 3990675), (65, 3253935), (75, 2820077), (159, 1330225), (195, 1084645), (265, 798135), (325, 650787), (689, 306975), (795, 266045), (975, 216929), (1325, 159627), (2067, 102325), (3445, 61395), (3975, 53209), (4093, 51675), (10335, 20465), (12279, 17225)]