25287075

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 52402896

約数和(自身を除く): 27115821

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 75, 85, 99, 153, 165, 187, 225, 255, 275, 425, 495, 561, 601, 765, 825, 935, 1275, 1683, 1803, 2475, 2805, 3005, 3825, 4675, 5409, 6611, 8415, 9015, 10217, 14025, 15025, 19833, 27045, 30651, 33055, 42075, 45075, 51085, 59499, 91953, 99165, 112387, 135225, 153255, 165275, 255425, 297495, 337161, 459765, 495825, 561935, 766275, 1011483, 1487475, 1685805, 2298825, 2809675, 5057415, 8429025, 25287075]

約数ペア:

[(1, 25287075), (3, 8429025), (5, 5057415), (9, 2809675), (11, 2298825), (15, 1685805), (17, 1487475), (25, 1011483), (33, 766275), (45, 561935), (51, 495825), (55, 459765), (75, 337161), (85, 297495), (99, 255425), (153, 165275), (165, 153255), (187, 135225), (225, 112387), (255, 99165), (275, 91953), (425, 59499), (495, 51085), (561, 45075), (601, 42075), (765, 33055), (825, 30651), (935, 27045), (1275, 19833), (1683, 15025), (1803, 14025), (2475, 10217), (2805, 9015), (3005, 8415), (3825, 6611), (4675, 5409)]