39881751

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 65791488

約数和(自身を除く): 25909737

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 347, 421, 1041, 1263, 2429, 2947, 4511, 5473, 7287, 8841, 13533, 16419, 31577, 38311, 94731, 114933, 146087, 438261, 1022609, 1899131, 3067827, 5697393, 13293917, 39881751]

約数ペア:

[(1, 39881751), (3, 13293917), (7, 5697393), (13, 3067827), (21, 1899131), (39, 1022609), (91, 438261), (273, 146087), (347, 114933), (421, 94731), (1041, 38311), (1263, 31577), (2429, 16419), (2947, 13533), (4511, 8841), (5473, 7287)]