78451821

素因数分解:

$3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2713}}^1$

素因数の和:2752

約数の個数: 48

約数和(自身を含む): 142257024

約数和(自身を除く): 63805203

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 243, 357, 459, 567, 1071, 1377, 1701, 2713, 3213, 4131, 8139, 9639, 18991, 24417, 28917, 46121, 56973, 73251, 138363, 170919, 219753, 322847, 415089, 512757, 659259, 968541, 1245267, 1538271, 2905623, 3735801, 4614813, 8716869, 11207403, 26150607, 78451821]

約数ペア:

[(1, 78451821), (3, 26150607), (7, 11207403), (9, 8716869), (17, 4614813), (21, 3735801), (27, 2905623), (51, 1538271), (63, 1245267), (81, 968541), (119, 659259), (153, 512757), (189, 415089), (243, 322847), (357, 219753), (459, 170919), (567, 138363), (1071, 73251), (1377, 56973), (1701, 46121), (2713, 28917), (3213, 24417), (4131, 18991), (8139, 9639)]