18181455

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 30028800

約数和(自身を除く): 11847345

約数列:

[1, 3, 5, 15, 67, 79, 201, 229, 237, 335, 395, 687, 1005, 1145, 1185, 3435, 5293, 15343, 15879, 18091, 26465, 46029, 54273, 76715, 79395, 90455, 230145, 271365, 1212097, 3636291, 6060485, 18181455]

約数ペア:

[(1, 18181455), (3, 6060485), (5, 3636291), (15, 1212097), (67, 271365), (79, 230145), (201, 90455), (229, 79395), (237, 76715), (335, 54273), (395, 46029), (687, 26465), (1005, 18091), (1145, 15879), (1185, 15343), (3435, 5293)]