253094541

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{1151}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 397836288

約数和(自身を除く): 144741747

約数列:

[1, 3, 7, 21, 37, 111, 259, 283, 777, 849, 1151, 1981, 3453, 5943, 8057, 10471, 24171, 31413, 42587, 73297, 127761, 219891, 298109, 325733, 894327, 977199, 2280131, 6840393, 12052121, 36156363, 84364847, 253094541]

約数ペア:

[(1, 253094541), (3, 84364847), (7, 36156363), (21, 12052121), (37, 6840393), (111, 2280131), (259, 977199), (283, 894327), (777, 325733), (849, 298109), (1151, 219891), (1981, 127761), (3453, 73297), (5943, 42587), (8057, 31413), (10471, 24171)]