15809115

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 29827872

約数和(自身を除く): 14018757

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 137, 147, 157, 245, 411, 471, 685, 735, 785, 959, 1099, 2055, 2355, 2877, 3297, 4795, 5495, 6713, 7693, 14385, 16485, 20139, 21509, 23079, 33565, 38465, 64527, 100695, 107545, 115395, 150563, 322635, 451689, 752815, 1053941, 2258445, 3161823, 5269705, 15809115]

約数ペア:

[(1, 15809115), (3, 5269705), (5, 3161823), (7, 2258445), (15, 1053941), (21, 752815), (35, 451689), (49, 322635), (105, 150563), (137, 115395), (147, 107545), (157, 100695), (245, 64527), (411, 38465), (471, 33565), (685, 23079), (735, 21509), (785, 20139), (959, 16485), (1099, 14385), (2055, 7693), (2355, 6713), (2877, 5495), (3297, 4795)]