16513731

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 27605760

約数和(自身を除く): 11092029

約数列:

[1, 3, 9, 13, 29, 31, 39, 87, 93, 117, 157, 261, 279, 377, 403, 471, 899, 1131, 1209, 1413, 2041, 2697, 3393, 3627, 4553, 4867, 6123, 8091, 11687, 13659, 14601, 18369, 35061, 40977, 43803, 59189, 63271, 105183, 141143, 177567, 189813, 423429, 532701, 569439, 1270287, 1834859, 5504577, 16513731]

約数ペア:

[(1, 16513731), (3, 5504577), (9, 1834859), (13, 1270287), (29, 569439), (31, 532701), (39, 423429), (87, 189813), (93, 177567), (117, 141143), (157, 105183), (261, 63271), (279, 59189), (377, 43803), (403, 40977), (471, 35061), (899, 18369), (1131, 14601), (1209, 13659), (1413, 11687), (2041, 8091), (2697, 6123), (3393, 4867), (3627, 4553)]