66981375

素因数分解:

$3^2\times 5^3\times {\mathrm{59539}}^1$

素因数の和:59560

約数の個数: 24

約数和(自身を含む): 120747120

約数和(自身を除く): 53765745

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 59539, 178617, 297695, 535851, 893085, 1488475, 2679255, 4465425, 7442375, 13396275, 22327125, 66981375]

約数ペア:

[(1, 66981375), (3, 22327125), (5, 13396275), (9, 7442375), (15, 4465425), (25, 2679255), (45, 1488475), (75, 893085), (125, 535851), (225, 297695), (375, 178617), (1125, 59539)]