1217364375

素因数分解:

$3^1\times 5^4\times {\mathrm{649261}}^1$

素因数の和:649284

約数の個数: 20

約数和(自身を含む): 2028294488

約数和(自身を除く): 810930113

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 649261, 1947783, 3246305, 9738915, 16231525, 48694575, 81157625, 243472875, 405788125, 1217364375]

約数ペア:

[(1, 1217364375), (3, 405788125), (5, 243472875), (15, 81157625), (25, 48694575), (75, 16231525), (125, 9738915), (375, 3246305), (625, 1947783), (1875, 649261)]