427816755

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2089}}^1$

素因数の和:2181

約数の個数: 64

約数和(自身を含む): 800553600

約数和(自身を除く): 372736845

約数列:

[1, 3, 5, 9, 15, 27, 37, 41, 45, 111, 123, 135, 185, 205, 333, 369, 555, 615, 999, 1107, 1517, 1665, 1845, 2089, 4551, 4995, 5535, 6267, 7585, 10445, 13653, 18801, 22755, 31335, 40959, 56403, 68265, 77293, 85649, 94005, 204795, 231879, 256947, 282015, 386465, 428245, 695637, 770841, 1159395, 1284735, 2086911, 2312523, 3169013, 3478185, 3854205, 9507039, 10434555, 11562615, 15845065, 28521117, 47535195, 85563351, 142605585, 427816755]

約数ペア:

[(1, 427816755), (3, 142605585), (5, 85563351), (9, 47535195), (15, 28521117), (27, 15845065), (37, 11562615), (41, 10434555), (45, 9507039), (111, 3854205), (123, 3478185), (135, 3169013), (185, 2312523), (205, 2086911), (333, 1284735), (369, 1159395), (555, 770841), (615, 695637), (999, 428245), (1107, 386465), (1517, 282015), (1665, 256947), (1845, 231879), (2089, 204795), (4551, 94005), (4995, 85649), (5535, 77293), (6267, 68265), (7585, 56403), (10445, 40959), (13653, 31335), (18801, 22755)]