1281209913

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 2063232000

約数和(自身を除く): 782022087

約数列:

[1, 3, 9, 17, 27, 51, 79, 89, 153, 237, 267, 397, 459, 711, 801, 1191, 1343, 1513, 2133, 2403, 3573, 4029, 4539, 6749, 7031, 10719, 12087, 13617, 20247, 21093, 31363, 35333, 36261, 40851, 60741, 63279, 94089, 105999, 119527, 182223, 189837, 282267, 317997, 358581, 533171, 600661, 846801, 953991, 1075743, 1599513, 1801983, 2791307, 3227229, 4798539, 5405949, 8373921, 14395617, 16217847, 25121763, 47452219, 75365289, 142356657, 427069971, 1281209913]

約数ペア:

[(1, 1281209913), (3, 427069971), (9, 142356657), (17, 75365289), (27, 47452219), (51, 25121763), (79, 16217847), (89, 14395617), (153, 8373921), (237, 5405949), (267, 4798539), (397, 3227229), (459, 2791307), (711, 1801983), (801, 1599513), (1191, 1075743), (1343, 953991), (1513, 846801), (2133, 600661), (2403, 533171), (3573, 358581), (4029, 317997), (4539, 282267), (6749, 189837), (7031, 182223), (10719, 119527), (12087, 105999), (13617, 94089), (20247, 63279), (21093, 60741), (31363, 40851), (35333, 36261)]