1728778815

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 3114478080

約数和(自身を除く): 1385699265

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 251, 313, 489, 753, 815, 939, 1255, 1467, 1565, 2259, 2445, 2817, 3765, 4401, 4695, 6777, 7335, 8451, 11295, 14085, 22005, 33885, 40913, 42255, 51019, 78563, 122739, 153057, 204565, 235689, 255095, 368217, 392815, 459171, 613695, 707067, 765285, 1104651, 1178445, 1377513, 1841085, 2121201, 2295855, 3535335, 5523255, 6887565, 10606005, 12805769, 38417307, 64028845, 115251921, 192086535, 345755763, 576259605, 1728778815]

約数ペア:

[(1, 1728778815), (3, 576259605), (5, 345755763), (9, 192086535), (15, 115251921), (27, 64028845), (45, 38417307), (135, 12805769), (163, 10606005), (251, 6887565), (313, 5523255), (489, 3535335), (753, 2295855), (815, 2121201), (939, 1841085), (1255, 1377513), (1467, 1178445), (1565, 1104651), (2259, 765285), (2445, 707067), (2817, 613695), (3765, 459171), (4401, 392815), (4695, 368217), (6777, 255095), (7335, 235689), (8451, 204565), (11295, 153057), (14085, 122739), (22005, 78563), (33885, 51019), (40913, 42255)]