65186457

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 101606400

約数和(自身を除く): 36419943

約数列:

[1, 3, 7, 21, 83, 149, 249, 251, 447, 581, 753, 1043, 1743, 1757, 3129, 5271, 12367, 20833, 37101, 37399, 62499, 86569, 112197, 145831, 259707, 261793, 437493, 785379, 3104117, 9312351, 21728819, 65186457]

約数ペア:

[(1, 65186457), (3, 21728819), (7, 9312351), (21, 3104117), (83, 785379), (149, 437493), (249, 261793), (251, 259707), (447, 145831), (581, 112197), (753, 86569), (1043, 62499), (1743, 37399), (1757, 37101), (3129, 20833), (5271, 12367)]