40872909

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 72806400

約数和(自身を除く): 31933491

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 147, 157, 161, 231, 253, 343, 471, 483, 539, 759, 1029, 1099, 1127, 1617, 1727, 1771, 3297, 3381, 3611, 3773, 5181, 5313, 7693, 7889, 10833, 11319, 12089, 12397, 23079, 23667, 25277, 36267, 37191, 39721, 53851, 75831, 84623, 86779, 119163, 161553, 176939, 253869, 260337, 278047, 530817, 592361, 834141, 1238573, 1777083, 1946329, 3715719, 5838987, 13624303, 40872909]

約数ペア:

[(1, 40872909), (3, 13624303), (7, 5838987), (11, 3715719), (21, 1946329), (23, 1777083), (33, 1238573), (49, 834141), (69, 592361), (77, 530817), (147, 278047), (157, 260337), (161, 253869), (231, 176939), (253, 161553), (343, 119163), (471, 86779), (483, 84623), (539, 75831), (759, 53851), (1029, 39721), (1099, 37191), (1127, 36267), (1617, 25277), (1727, 23667), (1771, 23079), (3297, 12397), (3381, 12089), (3611, 11319), (3773, 10833), (5181, 7889), (5313, 7693)]