87286947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 131155200

約数和(自身を除く): 43868253

約数列:

[1, 3, 11, 33, 43, 129, 137, 411, 449, 473, 1347, 1419, 1507, 4521, 4939, 5891, 14817, 17673, 19307, 57921, 61513, 64801, 184539, 194403, 212377, 637131, 676643, 2029929, 2645059, 7935177, 29095649, 87286947]

約数ペア:

[(1, 87286947), (3, 29095649), (11, 7935177), (33, 2645059), (43, 2029929), (129, 676643), (137, 637131), (411, 212377), (449, 194403), (473, 184539), (1347, 64801), (1419, 61513), (1507, 57921), (4521, 19307), (4939, 17673), (5891, 14817)]