28276875

素因数分解:

$3^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:494

約数の個数: 60

約数和(自身を含む): 55800888

約数和(自身を除く): 27524013

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 225, 275, 375, 457, 495, 625, 825, 1125, 1371, 1375, 1875, 2285, 2475, 4113, 4125, 5027, 5625, 6855, 6875, 11425, 12375, 15081, 20565, 20625, 25135, 34275, 45243, 57125, 61875, 75405, 102825, 125675, 171375, 226215, 285625, 377025, 514125, 628375, 856875, 1131075, 1885125, 2570625, 3141875, 5655375, 9425625, 28276875]

約数ペア:

[(1, 28276875), (3, 9425625), (5, 5655375), (9, 3141875), (11, 2570625), (15, 1885125), (25, 1131075), (33, 856875), (45, 628375), (55, 514125), (75, 377025), (99, 285625), (125, 226215), (165, 171375), (225, 125675), (275, 102825), (375, 75405), (457, 61875), (495, 57125), (625, 45243), (825, 34275), (1125, 25135), (1371, 20625), (1375, 20565), (1875, 15081), (2285, 12375), (2475, 11425), (4113, 6875), (4125, 6855), (5027, 5625)]