27975015

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 23242905

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 151, 179, 207, 345, 453, 537, 755, 895, 1035, 1359, 1611, 2265, 2685, 3473, 4117, 6795, 8055, 10419, 12351, 17365, 20585, 27029, 31257, 37053, 52095, 61755, 81087, 135145, 156285, 185265, 243261, 405435, 621667, 1216305, 1865001, 3108335, 5595003, 9325005, 27975015]

約数ペア:

[(1, 27975015), (3, 9325005), (5, 5595003), (9, 3108335), (15, 1865001), (23, 1216305), (45, 621667), (69, 405435), (115, 243261), (151, 185265), (179, 156285), (207, 135145), (345, 81087), (453, 61755), (537, 52095), (755, 37053), (895, 31257), (1035, 27029), (1359, 20585), (1611, 17365), (2265, 12351), (2685, 10419), (3473, 8055), (4117, 6795)]