28077273

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2153}}^1$

素因数の和:2195

約数の個数: 40

約数和(自身を含む): 50041728

約数和(自身を除く): 21964455

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 2153, 4347, 6459, 13041, 15071, 19377, 45213, 49519, 58131, 135639, 148557, 174393, 346633, 406917, 445671, 1039899, 1220751, 1337013, 3119697, 4011039, 9359091, 28077273]

約数ペア:

[(1, 28077273), (3, 9359091), (7, 4011039), (9, 3119697), (21, 1337013), (23, 1220751), (27, 1039899), (63, 445671), (69, 406917), (81, 346633), (161, 174393), (189, 148557), (207, 135639), (483, 58131), (567, 49519), (621, 45213), (1449, 19377), (1863, 15071), (2153, 13041), (4347, 6459)]