128540925

素因数分解:

$3^7\times 5^2\times {\mathrm{2351}}^1$

素因数の和:2382

約数の個数: 48

約数和(自身を含む): 239151360

約数和(自身を除く): 110610435

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 2187, 2351, 3645, 6075, 7053, 10935, 11755, 18225, 21159, 35265, 54675, 58775, 63477, 105795, 176325, 190431, 317385, 528975, 571293, 952155, 1586925, 1713879, 2856465, 4760775, 5141637, 8569395, 14282325, 25708185, 42846975, 128540925]

約数ペア:

[(1, 128540925), (3, 42846975), (5, 25708185), (9, 14282325), (15, 8569395), (25, 5141637), (27, 4760775), (45, 2856465), (75, 1713879), (81, 1586925), (135, 952155), (225, 571293), (243, 528975), (405, 317385), (675, 190431), (729, 176325), (1215, 105795), (2025, 63477), (2187, 58775), (2351, 54675), (3645, 35265), (6075, 21159), (7053, 18225), (10935, 11755)]