19281375

素因数分解:

$3^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 37065600

約数和(自身を除く): 17784225

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 125, 135, 145, 197, 225, 261, 375, 435, 591, 675, 725, 783, 985, 1125, 1305, 1773, 2175, 2955, 3375, 3625, 3915, 4925, 5319, 5713, 6525, 8865, 10875, 14775, 17139, 19575, 24625, 26595, 28565, 32625, 44325, 51417, 73875, 85695, 97875, 132975, 142825, 154251, 221625, 257085, 428475, 664875, 714125, 771255, 1285425, 2142375, 3856275, 6427125, 19281375]

約数ペア:

[(1, 19281375), (3, 6427125), (5, 3856275), (9, 2142375), (15, 1285425), (25, 771255), (27, 714125), (29, 664875), (45, 428475), (75, 257085), (87, 221625), (125, 154251), (135, 142825), (145, 132975), (197, 97875), (225, 85695), (261, 73875), (375, 51417), (435, 44325), (591, 32625), (675, 28565), (725, 26595), (783, 24625), (985, 19575), (1125, 17139), (1305, 14775), (1773, 10875), (2175, 8865), (2955, 6525), (3375, 5713), (3625, 5319), (3915, 4925)]