87680655

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 157281696

約数和(自身を除く): 69601041

約数列:

[1, 3, 5, 9, 15, 43, 45, 113, 129, 215, 339, 387, 401, 565, 645, 1017, 1203, 1695, 1935, 2005, 3609, 4859, 5085, 6015, 14577, 17243, 18045, 24295, 43731, 45313, 51729, 72885, 86215, 135939, 155187, 218655, 226565, 258645, 407817, 679695, 775935, 1948459, 2039085, 5845377, 9742295, 17536131, 29226885, 87680655]

約数ペア:

[(1, 87680655), (3, 29226885), (5, 17536131), (9, 9742295), (15, 5845377), (43, 2039085), (45, 1948459), (113, 775935), (129, 679695), (215, 407817), (339, 258645), (387, 226565), (401, 218655), (565, 155187), (645, 135939), (1017, 86215), (1203, 72885), (1695, 51729), (1935, 45313), (2005, 43731), (3609, 24295), (4859, 18045), (5085, 17243), (6015, 14577)]