140906223

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{3391}}^1$

素因数の和:3431

約数の個数: 32

約数和(自身を含む): 222515200

約数和(自身を除く): 81608977

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 2187, 3391, 4617, 10173, 13851, 30519, 41553, 64429, 91557, 193287, 274671, 579861, 824013, 1739583, 2472039, 5218749, 7416117, 15656247, 46968741, 140906223]

約数ペア:

[(1, 140906223), (3, 46968741), (9, 15656247), (19, 7416117), (27, 5218749), (57, 2472039), (81, 1739583), (171, 824013), (243, 579861), (513, 274671), (729, 193287), (1539, 91557), (2187, 64429), (3391, 41553), (4617, 30519), (10173, 13851)]