22961025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 44684640

約数和(自身を除く): 21723615

約数列:

[1, 3, 5, 9, 15, 19, 25, 41, 45, 57, 75, 95, 123, 131, 171, 205, 225, 285, 369, 393, 475, 615, 655, 779, 855, 1025, 1179, 1425, 1845, 1965, 2337, 2489, 3075, 3275, 3895, 4275, 5371, 5895, 7011, 7467, 9225, 9825, 11685, 12445, 16113, 19475, 22401, 26855, 29475, 35055, 37335, 48339, 58425, 62225, 80565, 102049, 112005, 134275, 175275, 186675, 241695, 306147, 402825, 510245, 560025, 918441, 1208475, 1530735, 2551225, 4592205, 7653675, 22961025]

約数ペア:

[(1, 22961025), (3, 7653675), (5, 4592205), (9, 2551225), (15, 1530735), (19, 1208475), (25, 918441), (41, 560025), (45, 510245), (57, 402825), (75, 306147), (95, 241695), (123, 186675), (131, 175275), (171, 134275), (205, 112005), (225, 102049), (285, 80565), (369, 62225), (393, 58425), (475, 48339), (615, 37335), (655, 35055), (779, 29475), (855, 26855), (1025, 22401), (1179, 19475), (1425, 16113), (1845, 12445), (1965, 11685), (2337, 9825), (2489, 9225), (3075, 7467), (3275, 7011), (3895, 5895), (4275, 5371)]