28749375

素因数分解:

$3^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:314

約数の個数: 60

約数和(自身を含む): 54826200

約数和(自身を除く): 26076825

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 269, 285, 375, 475, 625, 807, 855, 1125, 1345, 1425, 1875, 2375, 2421, 4035, 4275, 5111, 5625, 6725, 7125, 11875, 12105, 15333, 20175, 21375, 25555, 33625, 35625, 45999, 60525, 76665, 100875, 106875, 127775, 168125, 229995, 302625, 383325, 504375, 638875, 1149975, 1513125, 1916625, 3194375, 5749875, 9583125, 28749375]

約数ペア:

[(1, 28749375), (3, 9583125), (5, 5749875), (9, 3194375), (15, 1916625), (19, 1513125), (25, 1149975), (45, 638875), (57, 504375), (75, 383325), (95, 302625), (125, 229995), (171, 168125), (225, 127775), (269, 106875), (285, 100875), (375, 76665), (475, 60525), (625, 45999), (807, 35625), (855, 33625), (1125, 25555), (1345, 21375), (1425, 20175), (1875, 15333), (2375, 12105), (2421, 11875), (4035, 7125), (4275, 6725), (5111, 5625)]