27031275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 52925184

約数和(自身を除く): 25893909

約数列:

[1, 3, 5, 9, 15, 17, 25, 37, 45, 51, 75, 85, 111, 153, 185, 191, 225, 255, 333, 425, 555, 573, 629, 765, 925, 955, 1275, 1665, 1719, 1887, 2775, 2865, 3145, 3247, 3825, 4775, 5661, 7067, 8325, 8595, 9435, 9741, 14325, 15725, 16235, 21201, 28305, 29223, 35335, 42975, 47175, 48705, 63603, 81175, 106005, 120139, 141525, 146115, 176675, 243525, 318015, 360417, 530025, 600695, 730575, 1081251, 1590075, 1802085, 3003475, 5406255, 9010425, 27031275]

約数ペア:

[(1, 27031275), (3, 9010425), (5, 5406255), (9, 3003475), (15, 1802085), (17, 1590075), (25, 1081251), (37, 730575), (45, 600695), (51, 530025), (75, 360417), (85, 318015), (111, 243525), (153, 176675), (185, 146115), (191, 141525), (225, 120139), (255, 106005), (333, 81175), (425, 63603), (555, 48705), (573, 47175), (629, 42975), (765, 35335), (925, 29223), (955, 28305), (1275, 21201), (1665, 16235), (1719, 15725), (1887, 14325), (2775, 9741), (2865, 9435), (3145, 8595), (3247, 8325), (3825, 7067), (4775, 5661)]