81631908

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{12391}}^1$

素因数の和:12465

約数の個数: 48

約数和(自身を含む): 215125120

約数和(自身を除く): 133493212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 244, 366, 549, 732, 1098, 1647, 2196, 3294, 6588, 12391, 24782, 37173, 49564, 74346, 111519, 148692, 223038, 334557, 446076, 669114, 755851, 1338228, 1511702, 2267553, 3023404, 4535106, 6802659, 9070212, 13605318, 20407977, 27210636, 40815954, 81631908]

約数ペア:

[(1, 81631908), (2, 40815954), (3, 27210636), (4, 20407977), (6, 13605318), (9, 9070212), (12, 6802659), (18, 4535106), (27, 3023404), (36, 2267553), (54, 1511702), (61, 1338228), (108, 755851), (122, 669114), (183, 446076), (244, 334557), (366, 223038), (549, 148692), (732, 111519), (1098, 74346), (1647, 49564), (2196, 37173), (3294, 24782), (6588, 12391)]