278310045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{1087}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 487406592

約数和(自身を除く): 209096547

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 169, 195, 303, 505, 507, 845, 1087, 1313, 1515, 2535, 3261, 3939, 5435, 6565, 14131, 16305, 17069, 19695, 42393, 51207, 70655, 85345, 109787, 183703, 211965, 256035, 329361, 548935, 551109, 918515, 1427231, 1646805, 2755545, 4281693, 7136155, 18554003, 21408465, 55662009, 92770015, 278310045]

約数ペア:

[(1, 278310045), (3, 92770015), (5, 55662009), (13, 21408465), (15, 18554003), (39, 7136155), (65, 4281693), (101, 2755545), (169, 1646805), (195, 1427231), (303, 918515), (505, 551109), (507, 548935), (845, 329361), (1087, 256035), (1313, 211965), (1515, 183703), (2535, 109787), (3261, 85345), (3939, 70655), (5435, 51207), (6565, 42393), (14131, 19695), (16305, 17069)]