81081468

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{13327}}^1$

素因数の和:13363

約数の個数: 54

約数和(自身を含む): 221951184

約数和(自身を除く): 140869716

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 6084, 13327, 26654, 39981, 53308, 79962, 119943, 159924, 173251, 239886, 346502, 479772, 519753, 693004, 1039506, 1559259, 2079012, 2252263, 3118518, 4504526, 6237036, 6756789, 9009052, 13513578, 20270367, 27027156, 40540734, 81081468]

約数ペア:

[(1, 81081468), (2, 40540734), (3, 27027156), (4, 20270367), (6, 13513578), (9, 9009052), (12, 6756789), (13, 6237036), (18, 4504526), (26, 3118518), (36, 2252263), (39, 2079012), (52, 1559259), (78, 1039506), (117, 693004), (156, 519753), (169, 479772), (234, 346502), (338, 239886), (468, 173251), (507, 159924), (676, 119943), (1014, 79962), (1521, 53308), (2028, 39981), (3042, 26654), (6084, 13327)]