28262025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 58225440

約数和(自身を除く): 29963415

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 165, 171, 209, 225, 275, 285, 475, 495, 601, 627, 825, 855, 1045, 1425, 1803, 1881, 2475, 3005, 3135, 4275, 5225, 5409, 6611, 9015, 9405, 11419, 15025, 15675, 19833, 27045, 33055, 34257, 45075, 47025, 57095, 59499, 99165, 102771, 125609, 135225, 165275, 171285, 285475, 297495, 376827, 495825, 513855, 628045, 856425, 1130481, 1487475, 1884135, 2569275, 3140225, 5652405, 9420675, 28262025]

約数ペア:

[(1, 28262025), (3, 9420675), (5, 5652405), (9, 3140225), (11, 2569275), (15, 1884135), (19, 1487475), (25, 1130481), (33, 856425), (45, 628045), (55, 513855), (57, 495825), (75, 376827), (95, 297495), (99, 285475), (165, 171285), (171, 165275), (209, 135225), (225, 125609), (275, 102771), (285, 99165), (475, 59499), (495, 57095), (601, 47025), (627, 45075), (825, 34257), (855, 33055), (1045, 27045), (1425, 19833), (1803, 15675), (1881, 15025), (2475, 11419), (3005, 9405), (3135, 9015), (4275, 6611), (5225, 5409)]