40972215

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 68428800

約数和(自身を除く): 27456585

約数列:

[1, 3, 5, 15, 29, 87, 131, 145, 393, 435, 655, 719, 1965, 2157, 3595, 3799, 10785, 11397, 18995, 20851, 56985, 62553, 94189, 104255, 282567, 312765, 470945, 1412835, 2731481, 8194443, 13657405, 40972215]

約数ペア:

[(1, 40972215), (3, 13657405), (5, 8194443), (15, 2731481), (29, 1412835), (87, 470945), (131, 312765), (145, 282567), (393, 104255), (435, 94189), (655, 62553), (719, 56985), (1965, 20851), (2157, 18995), (3595, 11397), (3799, 10785)]