81406962

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3823}}^1$

素因数の和:3864

約数の個数: 72

約数和(自身を含む): 218335104

約数和(自身を除く): 136928142

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 169, 182, 234, 273, 338, 507, 546, 819, 1014, 1183, 1521, 1638, 2366, 3042, 3549, 3823, 7098, 7646, 10647, 11469, 21294, 22938, 26761, 34407, 49699, 53522, 68814, 80283, 99398, 149097, 160566, 240849, 298194, 347893, 447291, 481698, 646087, 695786, 894582, 1043679, 1292174, 1938261, 2087358, 3131037, 3876522, 4522609, 5814783, 6262074, 9045218, 11629566, 13567827, 27135654, 40703481, 81406962]

約数ペア:

[(1, 81406962), (2, 40703481), (3, 27135654), (6, 13567827), (7, 11629566), (9, 9045218), (13, 6262074), (14, 5814783), (18, 4522609), (21, 3876522), (26, 3131037), (39, 2087358), (42, 1938261), (63, 1292174), (78, 1043679), (91, 894582), (117, 695786), (126, 646087), (169, 481698), (182, 447291), (234, 347893), (273, 298194), (338, 240849), (507, 160566), (546, 149097), (819, 99398), (1014, 80283), (1183, 68814), (1521, 53522), (1638, 49699), (2366, 34407), (3042, 26761), (3549, 22938), (3823, 21294), (7098, 11469), (7646, 10647)]