81950115

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 152409600

約数和(自身を除く): 70459485

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 59, 65, 85, 177, 195, 221, 255, 295, 419, 663, 767, 885, 1003, 1105, 1257, 2095, 2301, 3009, 3315, 3835, 5015, 5447, 6285, 7123, 11505, 13039, 15045, 16341, 21369, 24721, 27235, 35615, 39117, 65195, 74163, 81705, 92599, 106845, 123605, 195585, 277797, 321373, 370815, 420257, 462995, 964119, 1260771, 1388985, 1606865, 2101285, 4820595, 5463341, 6303855, 16390023, 27316705, 81950115]

約数ペア:

[(1, 81950115), (3, 27316705), (5, 16390023), (13, 6303855), (15, 5463341), (17, 4820595), (39, 2101285), (51, 1606865), (59, 1388985), (65, 1260771), (85, 964119), (177, 462995), (195, 420257), (221, 370815), (255, 321373), (295, 277797), (419, 195585), (663, 123605), (767, 106845), (885, 92599), (1003, 81705), (1105, 74163), (1257, 65195), (2095, 39117), (2301, 35615), (3009, 27235), (3315, 24721), (3835, 21369), (5015, 16341), (5447, 15045), (6285, 13039), (7123, 11505)]