16400943

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:336

約数の個数: 36

約数和(自身を含む): 26378352

約数和(自身を除く): 9977409

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 169, 263, 369, 507, 533, 789, 1521, 1599, 2367, 3419, 4797, 6929, 10257, 10783, 20787, 30771, 32349, 44447, 62361, 97047, 133341, 140179, 400023, 420537, 1261611, 1822327, 5466981, 16400943]

約数ペア:

[(1, 16400943), (3, 5466981), (9, 1822327), (13, 1261611), (39, 420537), (41, 400023), (117, 140179), (123, 133341), (169, 97047), (263, 62361), (369, 44447), (507, 32349), (533, 30771), (789, 20787), (1521, 10783), (1599, 10257), (2367, 6929), (3419, 4797)]