247909821

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 354385920

約数和(自身を除く): 106476099

約数列:

[1, 3, 31, 41, 79, 93, 123, 237, 823, 1271, 2449, 2469, 3239, 3813, 7347, 9717, 25513, 33743, 65017, 76539, 100409, 101229, 195051, 301227, 1046033, 2015527, 2665697, 3138099, 6046581, 7997091, 82636607, 247909821]

約数ペア:

[(1, 247909821), (3, 82636607), (31, 7997091), (41, 6046581), (79, 3138099), (93, 2665697), (123, 2015527), (237, 1046033), (823, 301227), (1271, 195051), (2449, 101229), (2469, 100409), (3239, 76539), (3813, 65017), (7347, 33743), (9717, 25513)]