28250475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^3\times {\mathrm{283}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 51556224

約数和(自身を除く): 23305749

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 165, 275, 283, 363, 605, 825, 849, 1331, 1415, 1815, 3025, 3113, 3993, 4245, 6655, 7075, 9075, 9339, 15565, 19965, 21225, 33275, 34243, 46695, 77825, 99825, 102729, 171215, 233475, 376673, 513645, 856075, 1130019, 1883365, 2568225, 5650095, 9416825, 28250475]

約数ペア:

[(1, 28250475), (3, 9416825), (5, 5650095), (11, 2568225), (15, 1883365), (25, 1130019), (33, 856075), (55, 513645), (75, 376673), (121, 233475), (165, 171215), (275, 102729), (283, 99825), (363, 77825), (605, 46695), (825, 34243), (849, 33275), (1331, 21225), (1415, 19965), (1815, 15565), (3025, 9339), (3113, 9075), (3993, 7075), (4245, 6655)]