65508225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 115706880

約数和(自身を除く): 50198655

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 191, 255, 269, 425, 573, 807, 955, 1275, 1345, 2865, 3247, 4035, 4573, 4775, 6725, 9741, 13719, 14325, 16235, 20175, 22865, 48705, 51379, 68595, 81175, 114325, 154137, 243525, 256895, 342975, 770685, 873443, 1284475, 2620329, 3853425, 4367215, 13101645, 21836075, 65508225]

約数ペア:

[(1, 65508225), (3, 21836075), (5, 13101645), (15, 4367215), (17, 3853425), (25, 2620329), (51, 1284475), (75, 873443), (85, 770685), (191, 342975), (255, 256895), (269, 243525), (425, 154137), (573, 114325), (807, 81175), (955, 68595), (1275, 51379), (1345, 48705), (2865, 22865), (3247, 20175), (4035, 16235), (4573, 14325), (4775, 13719), (6725, 9741)]