80699775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2237}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 147636384

約数和(自身を除く): 66936609

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 185, 195, 325, 481, 555, 925, 975, 1443, 2237, 2405, 2775, 6711, 7215, 11185, 12025, 29081, 33555, 36075, 55925, 82769, 87243, 145405, 167775, 248307, 413845, 436215, 727025, 1075997, 1241535, 2069225, 2181075, 3227991, 5379985, 6207675, 16139955, 26899925, 80699775]

約数ペア:

[(1, 80699775), (3, 26899925), (5, 16139955), (13, 6207675), (15, 5379985), (25, 3227991), (37, 2181075), (39, 2069225), (65, 1241535), (75, 1075997), (111, 727025), (185, 436215), (195, 413845), (325, 248307), (481, 167775), (555, 145405), (925, 87243), (975, 82769), (1443, 55925), (2237, 36075), (2405, 33555), (2775, 29081), (6711, 12025), (7215, 11185)]