201540225

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 341567424

約数和(自身を除く): 140027199

約数列:

[1, 3, 5, 15, 25, 73, 75, 131, 219, 281, 365, 393, 655, 843, 1095, 1405, 1825, 1965, 3275, 4215, 5475, 7025, 9563, 9825, 20513, 21075, 28689, 36811, 47815, 61539, 102565, 110433, 143445, 184055, 239075, 307695, 512825, 552165, 717225, 920275, 1538475, 2687203, 2760825, 8061609, 13436015, 40308045, 67180075, 201540225]

約数ペア:

[(1, 201540225), (3, 67180075), (5, 40308045), (15, 13436015), (25, 8061609), (73, 2760825), (75, 2687203), (131, 1538475), (219, 920275), (281, 717225), (365, 552165), (393, 512825), (655, 307695), (843, 239075), (1095, 184055), (1405, 143445), (1825, 110433), (1965, 102565), (3275, 61539), (4215, 47815), (5475, 36811), (7025, 28689), (9563, 21075), (9825, 20513)]