79971801

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{641}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 131728128

約数和(自身を除く): 51756327

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 457, 641, 1371, 1923, 3199, 4487, 5941, 8333, 9597, 13461, 17823, 24999, 41587, 58331, 124761, 174993, 292937, 878811, 2050559, 3808181, 6151677, 11424543, 26657267, 79971801]

約数ペア:

[(1, 79971801), (3, 26657267), (7, 11424543), (13, 6151677), (21, 3808181), (39, 2050559), (91, 878811), (273, 292937), (457, 174993), (641, 124761), (1371, 58331), (1923, 41587), (3199, 24999), (4487, 17823), (5941, 13461), (8333, 9597)]