22165425

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 42556800

約数和(自身を除く): 20391375

約数列:

[1, 3, 5, 9, 15, 25, 29, 43, 45, 75, 79, 87, 129, 145, 215, 225, 237, 261, 387, 395, 435, 645, 711, 725, 1075, 1185, 1247, 1305, 1935, 1975, 2175, 2291, 3225, 3397, 3555, 3741, 5925, 6235, 6525, 6873, 9675, 10191, 11223, 11455, 16985, 17775, 18705, 20619, 30573, 31175, 34365, 50955, 56115, 57275, 84925, 93525, 98513, 103095, 152865, 171825, 254775, 280575, 295539, 492565, 515475, 764325, 886617, 1477695, 2462825, 4433085, 7388475, 22165425]

約数ペア:

[(1, 22165425), (3, 7388475), (5, 4433085), (9, 2462825), (15, 1477695), (25, 886617), (29, 764325), (43, 515475), (45, 492565), (75, 295539), (79, 280575), (87, 254775), (129, 171825), (145, 152865), (215, 103095), (225, 98513), (237, 93525), (261, 84925), (387, 57275), (395, 56115), (435, 50955), (645, 34365), (711, 31175), (725, 30573), (1075, 20619), (1185, 18705), (1247, 17775), (1305, 16985), (1935, 11455), (1975, 11223), (2175, 10191), (2291, 9675), (3225, 6873), (3397, 6525), (3555, 6235), (3741, 5925)]