71231937

素因数分解:

$3^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{1151}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 110840832

約数和(自身を除く): 39608895

約数列:

[1, 3, 7, 21, 49, 147, 421, 1151, 1263, 2947, 3453, 8057, 8841, 20629, 24171, 56399, 61887, 169197, 484571, 1453713, 3391997, 10175991, 23743979, 71231937]

約数ペア:

[(1, 71231937), (3, 23743979), (7, 10175991), (21, 3391997), (49, 1453713), (147, 484571), (421, 169197), (1151, 61887), (1263, 56399), (2947, 24171), (3453, 20629), (8057, 8841)]