39971367

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 62208000

約数和(自身を除く): 22236633

約数列:

[1, 3, 9, 27, 29, 71, 87, 213, 261, 639, 719, 783, 1917, 2059, 2157, 6177, 6471, 18531, 19413, 20851, 51049, 55593, 62553, 153147, 187659, 459441, 562977, 1378323, 1480421, 4441263, 13323789, 39971367]

約数ペア:

[(1, 39971367), (3, 13323789), (9, 4441263), (27, 1480421), (29, 1378323), (71, 562977), (87, 459441), (213, 187659), (261, 153147), (639, 62553), (719, 55593), (783, 51049), (1917, 20851), (2059, 19413), (2157, 18531), (6177, 6471)]