71938839

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 112089600

約数和(自身を除く): 40150761

約数列:

[1, 3, 7, 21, 83, 149, 249, 277, 447, 581, 831, 1043, 1743, 1939, 3129, 5817, 12367, 22991, 37101, 41273, 68973, 86569, 123819, 160937, 259707, 288911, 482811, 866733, 3425659, 10276977, 23979613, 71938839]

約数ペア:

[(1, 71938839), (3, 23979613), (7, 10276977), (21, 3425659), (83, 866733), (149, 482811), (249, 288911), (277, 259707), (447, 160937), (581, 123819), (831, 86569), (1043, 68973), (1743, 41273), (1939, 37101), (3129, 22991), (5817, 12367)]