195589971

素因数分解:

$3^9\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:569

約数の個数: 40

約数和(自身を含む): 309411520

約数和(自身を除く): 113821549

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 523, 729, 1539, 1569, 2187, 4617, 4707, 6561, 9937, 13851, 14121, 19683, 29811, 41553, 42363, 89433, 124659, 127089, 268299, 373977, 381267, 804897, 1143801, 2414691, 3431403, 7244073, 10294209, 21732219, 65196657, 195589971]

約数ペア:

[(1, 195589971), (3, 65196657), (9, 21732219), (19, 10294209), (27, 7244073), (57, 3431403), (81, 2414691), (171, 1143801), (243, 804897), (513, 381267), (523, 373977), (729, 268299), (1539, 127089), (1569, 124659), (2187, 89433), (4617, 42363), (4707, 41553), (6561, 29811), (9937, 19683), (13851, 14121)]