196703409

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1171}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 316533760

約数和(自身を除く): 119830351

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 421, 1171, 1263, 2947, 3513, 7999, 8197, 8841, 22249, 23997, 24591, 55993, 66747, 155743, 167979, 467229, 492991, 1478973, 3450937, 9366829, 10352811, 28100487, 65567803, 196703409]

約数ペア:

[(1, 196703409), (3, 65567803), (7, 28100487), (19, 10352811), (21, 9366829), (57, 3450937), (133, 1478973), (399, 492991), (421, 467229), (1171, 167979), (1263, 155743), (2947, 66747), (3513, 55993), (7999, 24591), (8197, 23997), (8841, 22249)]