1989351

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:380

約数の個数: 36

約数和(自身を含む): 3610152

約数和(自身を除く): 1620801

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 347, 441, 637, 819, 1041, 1911, 2429, 3123, 4511, 5733, 7287, 13533, 17003, 21861, 31577, 40599, 51009, 94731, 153027, 221039, 284193, 663117, 1989351]

約数ペア:

[(1, 1989351), (3, 663117), (7, 284193), (9, 221039), (13, 153027), (21, 94731), (39, 51009), (49, 40599), (63, 31577), (91, 21861), (117, 17003), (147, 13533), (273, 7287), (347, 5733), (441, 4511), (637, 3123), (819, 2429), (1041, 1911)]