393970149

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{911}}^1$

素因数の和:1223

約数の個数: 40

約数和(自身を含む): 622385280

約数和(自身を除く): 228415131

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 281, 513, 843, 911, 1539, 2529, 2733, 5339, 7587, 8199, 16017, 17309, 22761, 24597, 48051, 51927, 73791, 144153, 155781, 255991, 432459, 467343, 767973, 1402029, 2303919, 4863829, 6911757, 14591487, 20735271, 43774461, 131323383, 393970149]

約数ペア:

[(1, 393970149), (3, 131323383), (9, 43774461), (19, 20735271), (27, 14591487), (57, 6911757), (81, 4863829), (171, 2303919), (281, 1402029), (513, 767973), (843, 467343), (911, 432459), (1539, 255991), (2529, 155781), (2733, 144153), (5339, 73791), (7587, 51927), (8199, 48051), (16017, 24597), (17309, 22761)]