28235625

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{37}}^2$

素因数の和:108

約数の個数: 60

約数和(自身を含む): 52745616

約数和(自身を除く): 24509991

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 125, 165, 185, 275, 375, 407, 555, 625, 825, 925, 1221, 1369, 1375, 1875, 2035, 2775, 4107, 4125, 4625, 6105, 6845, 6875, 10175, 13875, 15059, 20535, 20625, 23125, 30525, 34225, 45177, 50875, 69375, 75295, 102675, 152625, 171125, 225885, 254375, 376475, 513375, 763125, 855625, 1129425, 1882375, 2566875, 5647125, 9411875, 28235625]

約数ペア:

[(1, 28235625), (3, 9411875), (5, 5647125), (11, 2566875), (15, 1882375), (25, 1129425), (33, 855625), (37, 763125), (55, 513375), (75, 376475), (111, 254375), (125, 225885), (165, 171125), (185, 152625), (275, 102675), (375, 75295), (407, 69375), (555, 50875), (625, 45177), (825, 34225), (925, 30525), (1221, 23125), (1369, 20625), (1375, 20535), (1875, 15059), (2035, 13875), (2775, 10175), (4107, 6875), (4125, 6845), (4625, 6105)]