28509813

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:323

約数の個数: 40

約数和(自身を含む): 45084600

約数和(自身を除く): 16574787

約数列:

[1, 3, 9, 27, 29, 53, 81, 87, 159, 229, 261, 477, 687, 783, 1431, 1537, 2061, 2349, 4293, 4611, 6183, 6641, 12137, 13833, 18549, 19923, 36411, 41499, 59769, 109233, 124497, 179307, 327699, 351973, 537921, 983097, 1055919, 3167757, 9503271, 28509813]

約数ペア:

[(1, 28509813), (3, 9503271), (9, 3167757), (27, 1055919), (29, 983097), (53, 537921), (81, 351973), (87, 327699), (159, 179307), (229, 124497), (261, 109233), (477, 59769), (687, 41499), (783, 36411), (1431, 19923), (1537, 18549), (2061, 13833), (2349, 12137), (4293, 6641), (4611, 6183)]