69472221

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 114471168

約数和(自身を除く): 44998947

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 397, 641, 1191, 1923, 2779, 4487, 5161, 8333, 8337, 13461, 15483, 24999, 36127, 58331, 108381, 174993, 254477, 763431, 1781339, 3308201, 5344017, 9924603, 23157407, 69472221]

約数ペア:

[(1, 69472221), (3, 23157407), (7, 9924603), (13, 5344017), (21, 3308201), (39, 1781339), (91, 763431), (273, 254477), (397, 174993), (641, 108381), (1191, 58331), (1923, 36127), (2779, 24999), (4487, 15483), (5161, 13461), (8333, 8337)]