18255375

素因数分解:

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

素因数の和:631

約数の個数: 48

約数和(自身を含む): 34183968

約数和(自身を除く): 15928593

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 601, 675, 1125, 1215, 1803, 2025, 3005, 3375, 5409, 6075, 9015, 10125, 15025, 16227, 27045, 30375, 45075, 48681, 75125, 81135, 135225, 146043, 225375, 243405, 405675, 676125, 730215, 1217025, 2028375, 3651075, 6085125, 18255375]

約数ペア:

[(1, 18255375), (3, 6085125), (5, 3651075), (9, 2028375), (15, 1217025), (25, 730215), (27, 676125), (45, 405675), (75, 243405), (81, 225375), (125, 146043), (135, 135225), (225, 81135), (243, 75125), (375, 48681), (405, 45075), (601, 30375), (675, 27045), (1125, 16227), (1215, 15025), (1803, 10125), (2025, 9015), (3005, 6075), (3375, 5409)]