81693198

素因数分解:

$2^1\times 3^7\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1025

約数の個数: 64

約数和(自身を含む): 193651200

約数和(自身を除く): 111958002

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 729, 983, 1026, 1458, 1539, 1966, 2187, 2949, 3078, 4374, 4617, 5898, 8847, 9234, 13851, 17694, 18677, 26541, 27702, 37354, 41553, 53082, 56031, 79623, 83106, 112062, 159246, 168093, 238869, 336186, 477738, 504279, 716607, 1008558, 1433214, 1512837, 2149821, 3025674, 4299642, 4538511, 9077022, 13615533, 27231066, 40846599, 81693198]

約数ペア:

[(1, 81693198), (2, 40846599), (3, 27231066), (6, 13615533), (9, 9077022), (18, 4538511), (19, 4299642), (27, 3025674), (38, 2149821), (54, 1512837), (57, 1433214), (81, 1008558), (114, 716607), (162, 504279), (171, 477738), (243, 336186), (342, 238869), (486, 168093), (513, 159246), (729, 112062), (983, 83106), (1026, 79623), (1458, 56031), (1539, 53082), (1966, 41553), (2187, 37354), (2949, 27702), (3078, 26541), (4374, 18677), (4617, 17694), (5898, 13851), (8847, 9234)]