72278193

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 106624000

約数和(自身を除く): 34345807

約数列:

[1, 3, 13, 39, 67, 139, 199, 201, 417, 597, 871, 1807, 2587, 2613, 5421, 7761, 9313, 13333, 27661, 27939, 39999, 82983, 121069, 173329, 359593, 363207, 519987, 1078779, 1853287, 5559861, 24092731, 72278193]

約数ペア:

[(1, 72278193), (3, 24092731), (13, 5559861), (39, 1853287), (67, 1078779), (139, 519987), (199, 363207), (201, 359593), (417, 173329), (597, 121069), (871, 82983), (1807, 39999), (2587, 27939), (2613, 27661), (5421, 13333), (7761, 9313)]