211291275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5857}}^1$

素因数の和:5920

約数の個数: 48

約数和(自身を含む): 386440544

約数和(自身を除く): 175149269

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 185, 195, 325, 481, 555, 925, 975, 1443, 2405, 2775, 5857, 7215, 12025, 17571, 29285, 36075, 76141, 87855, 146425, 216709, 228423, 380705, 439275, 650127, 1083545, 1142115, 1903525, 2817217, 3250635, 5417725, 5710575, 8451651, 14086085, 16253175, 42258255, 70430425, 211291275]

約数ペア:

[(1, 211291275), (3, 70430425), (5, 42258255), (13, 16253175), (15, 14086085), (25, 8451651), (37, 5710575), (39, 5417725), (65, 3250635), (75, 2817217), (111, 1903525), (185, 1142115), (195, 1083545), (325, 650127), (481, 439275), (555, 380705), (925, 228423), (975, 216709), (1443, 146425), (2405, 87855), (2775, 76141), (5857, 36075), (7215, 29285), (12025, 17571)]