28293375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^3$

素因数の和:86

約数の個数: 64

約数和(自身を含む): 54213120

約数和(自身を除く): 25919745

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 125, 165, 209, 275, 285, 361, 375, 475, 627, 825, 1045, 1083, 1375, 1425, 1805, 2375, 3135, 3971, 4125, 5225, 5415, 6859, 7125, 9025, 11913, 15675, 19855, 20577, 26125, 27075, 34295, 45125, 59565, 75449, 78375, 99275, 102885, 135375, 171475, 226347, 297825, 377245, 496375, 514425, 857375, 1131735, 1489125, 1886225, 2572125, 5658675, 9431125, 28293375]

約数ペア:

[(1, 28293375), (3, 9431125), (5, 5658675), (11, 2572125), (15, 1886225), (19, 1489125), (25, 1131735), (33, 857375), (55, 514425), (57, 496375), (75, 377245), (95, 297825), (125, 226347), (165, 171475), (209, 135375), (275, 102885), (285, 99275), (361, 78375), (375, 75449), (475, 59565), (627, 45125), (825, 34295), (1045, 27075), (1083, 26125), (1375, 20577), (1425, 19855), (1805, 15675), (2375, 11913), (3135, 9025), (3971, 7125), (4125, 6859), (5225, 5415)]