28869225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4999}}^1$

素因数の和:5030

約数の個数: 48

約数和(自身を含む): 59520000

約数和(自身を除く): 30650775

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 4999, 5775, 14997, 24995, 34993, 54989, 74985, 104979, 124975, 164967, 174965, 274945, 374925, 384923, 524895, 824835, 874825, 1154769, 1374725, 1924615, 2624475, 4124175, 5773845, 9623075, 28869225]

約数ペア:

[(1, 28869225), (3, 9623075), (5, 5773845), (7, 4124175), (11, 2624475), (15, 1924615), (21, 1374725), (25, 1154769), (33, 874825), (35, 824835), (55, 524895), (75, 384923), (77, 374925), (105, 274945), (165, 174965), (175, 164967), (231, 124975), (275, 104979), (385, 74985), (525, 54989), (825, 34993), (1155, 24995), (1925, 14997), (4999, 5775)]