2028375

素因数分解:

$3^3\times 5^3\times {\mathrm{601}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 3756480

約数和(自身を除く): 1728105

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 601, 675, 1125, 1803, 3005, 3375, 5409, 9015, 15025, 16227, 27045, 45075, 75125, 81135, 135225, 225375, 405675, 676125, 2028375]

約数ペア:

[(1, 2028375), (3, 676125), (5, 405675), (9, 225375), (15, 135225), (25, 81135), (27, 75125), (45, 45075), (75, 27045), (125, 16227), (135, 15025), (225, 9015), (375, 5409), (601, 3375), (675, 3005), (1125, 1803)]