28396305

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 58368000

約数和(自身を除く): 29971695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 151, 189, 199, 315, 453, 597, 755, 945, 995, 1057, 1359, 1393, 1791, 2265, 2985, 3171, 4077, 4179, 5285, 5373, 6795, 6965, 8955, 9513, 12537, 15855, 20385, 20895, 26865, 28539, 30049, 37611, 47565, 62685, 90147, 142695, 150245, 188055, 210343, 270441, 450735, 631029, 811323, 1051715, 1352205, 1893087, 3155145, 4056615, 5679261, 9465435, 28396305]

約数ペア:

[(1, 28396305), (3, 9465435), (5, 5679261), (7, 4056615), (9, 3155145), (15, 1893087), (21, 1352205), (27, 1051715), (35, 811323), (45, 631029), (63, 450735), (105, 270441), (135, 210343), (151, 188055), (189, 150245), (199, 142695), (315, 90147), (453, 62685), (597, 47565), (755, 37611), (945, 30049), (995, 28539), (1057, 26865), (1359, 20895), (1393, 20385), (1791, 15855), (2265, 12537), (2985, 9513), (3171, 8955), (4077, 6965), (4179, 6795), (5285, 5373)]