40398975

素因数分解:

$3^2\times 5^2\times {\mathrm{409}}^1\times {\mathrm{439}}^1$

素因数の和:864

約数の個数: 36

約数和(自身を含む): 72701200

約数和(自身を除く): 32302225

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 409, 439, 1227, 1317, 2045, 2195, 3681, 3951, 6135, 6585, 10225, 10975, 18405, 19755, 30675, 32925, 92025, 98775, 179551, 538653, 897755, 1615959, 2693265, 4488775, 8079795, 13466325, 40398975]

約数ペア:

[(1, 40398975), (3, 13466325), (5, 8079795), (9, 4488775), (15, 2693265), (25, 1615959), (45, 897755), (75, 538653), (225, 179551), (409, 98775), (439, 92025), (1227, 32925), (1317, 30675), (2045, 19755), (2195, 18405), (3681, 10975), (3951, 10225), (6135, 6585)]