13215015

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{809}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 25855200

約数和(自身を除く): 12640185

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 121, 135, 165, 297, 363, 495, 605, 809, 1089, 1485, 1815, 2427, 3267, 4045, 5445, 7281, 8899, 12135, 16335, 21843, 26697, 36405, 44495, 80091, 97889, 109215, 133485, 240273, 293667, 400455, 489445, 881001, 1201365, 1468335, 2643003, 4405005, 13215015]

約数ペア:

[(1, 13215015), (3, 4405005), (5, 2643003), (9, 1468335), (11, 1201365), (15, 881001), (27, 489445), (33, 400455), (45, 293667), (55, 240273), (99, 133485), (121, 109215), (135, 97889), (165, 80091), (297, 44495), (363, 36405), (495, 26697), (605, 21843), (809, 16335), (1089, 12135), (1485, 8899), (1815, 7281), (2427, 5445), (3267, 4045)]