15391779

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 23654400

約数和(自身を除く): 8262621

約数列:

[1, 3, 13, 29, 31, 39, 87, 93, 377, 403, 439, 899, 1131, 1209, 1317, 2697, 5707, 11687, 12731, 13609, 17121, 35061, 38193, 40827, 165503, 176917, 394661, 496509, 530751, 1183983, 5130593, 15391779]

約数ペア:

[(1, 15391779), (3, 5130593), (13, 1183983), (29, 530751), (31, 496509), (39, 394661), (87, 176917), (93, 165503), (377, 40827), (403, 38193), (439, 35061), (899, 17121), (1131, 13609), (1209, 12731), (1317, 11687), (2697, 5707)]