61816947

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 90086400

約数和(自身を除く): 28269453

約数列:

[1, 3, 17, 51, 67, 79, 201, 229, 237, 687, 1139, 1343, 3417, 3893, 4029, 5293, 11679, 15343, 15879, 18091, 46029, 54273, 89981, 260831, 269943, 307547, 782493, 922641, 1212097, 3636291, 20605649, 61816947]

約数ペア:

[(1, 61816947), (3, 20605649), (17, 3636291), (51, 1212097), (67, 922641), (79, 782493), (201, 307547), (229, 269943), (237, 260831), (687, 89981), (1139, 54273), (1343, 46029), (3417, 18091), (3893, 15879), (4029, 15343), (5293, 11679)]