31212117

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{523}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 47684000

約数和(自身を除く): 16471883

約数列:

[1, 3, 9, 19, 57, 171, 349, 523, 1047, 1569, 3141, 4707, 6631, 9937, 19893, 29811, 59679, 89433, 182527, 547581, 1642743, 3468013, 10404039, 31212117]

約数ペア:

[(1, 31212117), (3, 10404039), (9, 3468013), (19, 1642743), (57, 547581), (171, 182527), (349, 89433), (523, 59679), (1047, 29811), (1569, 19893), (3141, 9937), (4707, 6631)]