168034209

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 93239391

約数列:

[1, 3, 7, 21, 71, 213, 251, 449, 497, 753, 1347, 1491, 1757, 3143, 5271, 9429, 17821, 31879, 53463, 95637, 112699, 124747, 223153, 338097, 374241, 669459, 788893, 2366679, 8001629, 24004887, 56011403, 168034209]

約数ペア:

[(1, 168034209), (3, 56011403), (7, 24004887), (21, 8001629), (71, 2366679), (213, 788893), (251, 669459), (449, 374241), (497, 338097), (753, 223153), (1347, 124747), (1491, 112699), (1757, 95637), (3143, 53463), (5271, 31879), (9429, 17821)]