51390675

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 106985216

約数和(自身を除く): 55594541

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 67, 75, 105, 175, 201, 225, 315, 335, 469, 487, 525, 603, 1005, 1407, 1461, 1575, 1675, 2345, 2435, 3015, 3409, 4221, 4383, 5025, 7035, 7305, 10227, 11725, 12175, 15075, 17045, 21105, 21915, 30681, 32629, 35175, 36525, 51135, 85225, 97887, 105525, 109575, 153405, 163145, 228403, 255675, 293661, 489435, 685209, 767025, 815725, 1142015, 1468305, 2055627, 2447175, 3426045, 5710075, 7341525, 10278135, 17130225, 51390675]

約数ペア:

[(1, 51390675), (3, 17130225), (5, 10278135), (7, 7341525), (9, 5710075), (15, 3426045), (21, 2447175), (25, 2055627), (35, 1468305), (45, 1142015), (63, 815725), (67, 767025), (75, 685209), (105, 489435), (175, 293661), (201, 255675), (225, 228403), (315, 163145), (335, 153405), (469, 109575), (487, 105525), (525, 97887), (603, 85225), (1005, 51135), (1407, 36525), (1461, 35175), (1575, 32629), (1675, 30681), (2345, 21915), (2435, 21105), (3015, 17045), (3409, 15075), (4221, 12175), (4383, 11725), (5025, 10227), (7035, 7305)]