28963125

素因数分解:

$3^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:316

約数の個数: 60

約数和(自身を含む): 55232320

約数和(自身を除く): 26269195

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 271, 285, 375, 475, 625, 813, 855, 1125, 1355, 1425, 1875, 2375, 2439, 4065, 4275, 5149, 5625, 6775, 7125, 11875, 12195, 15447, 20325, 21375, 25745, 33875, 35625, 46341, 60975, 77235, 101625, 106875, 128725, 169375, 231705, 304875, 386175, 508125, 643625, 1158525, 1524375, 1930875, 3218125, 5792625, 9654375, 28963125]

約数ペア:

[(1, 28963125), (3, 9654375), (5, 5792625), (9, 3218125), (15, 1930875), (19, 1524375), (25, 1158525), (45, 643625), (57, 508125), (75, 386175), (95, 304875), (125, 231705), (171, 169375), (225, 128725), (271, 106875), (285, 101625), (375, 77235), (475, 60975), (625, 46341), (813, 35625), (855, 33875), (1125, 25745), (1355, 21375), (1425, 20325), (1875, 15447), (2375, 12195), (2439, 11875), (4065, 7125), (4275, 6775), (5149, 5625)]