27820275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2789}}^1$

素因数の和:2828

約数の個数: 48

約数和(自身を含む): 55353600

約数和(自身を除く): 27533325

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 2789, 3325, 8367, 9975, 13945, 19523, 41835, 52991, 58569, 69725, 97615, 158973, 209175, 264955, 292845, 370937, 488075, 794865, 1112811, 1324775, 1464225, 1854685, 3974325, 5564055, 9273425, 27820275]

約数ペア:

[(1, 27820275), (3, 9273425), (5, 5564055), (7, 3974325), (15, 1854685), (19, 1464225), (21, 1324775), (25, 1112811), (35, 794865), (57, 488075), (75, 370937), (95, 292845), (105, 264955), (133, 209175), (175, 158973), (285, 97615), (399, 69725), (475, 58569), (525, 52991), (665, 41835), (1425, 19523), (1995, 13945), (2789, 9975), (3325, 8367)]