216149975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{1201}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 280806432

約数和(自身を除く): 64656457

約数列:

[1, 5, 23, 25, 115, 313, 575, 1201, 1565, 6005, 7199, 7825, 27623, 30025, 35995, 138115, 179975, 375913, 690575, 1879565, 8645999, 9397825, 43229995, 216149975]

約数ペア:

[(1, 216149975), (5, 43229995), (23, 9397825), (25, 8645999), (115, 1879565), (313, 690575), (575, 375913), (1201, 179975), (1565, 138115), (6005, 35995), (7199, 30025), (7825, 27623)]