128385117

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{70271}}^1$

素因数の和:70313

約数の個数: 24

約数和(自身を含む): 219248640

約数和(自身を除く): 90863523

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 70271, 210813, 491897, 632439, 1475691, 2037859, 4427073, 6113577, 14265013, 18340731, 42795039, 128385117]

約数ペア:

[(1, 128385117), (3, 42795039), (7, 18340731), (9, 14265013), (21, 6113577), (29, 4427073), (63, 2037859), (87, 1475691), (203, 632439), (261, 491897), (609, 210813), (1827, 70271)]