638093295

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{225077}}^1$

素因数の和:225101

約数の個数: 40

約数和(自身を含む): 1307253024

約数和(自身を除く): 669159729

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 225077, 675231, 1125385, 1575539, 2025693, 3376155, 4726617, 6077079, 7877695, 10128465, 14179851, 18231237, 23633085, 30385395, 42539553, 70899255, 91156185, 127618659, 212697765, 638093295]

約数ペア:

[(1, 638093295), (3, 212697765), (5, 127618659), (7, 91156185), (9, 70899255), (15, 42539553), (21, 30385395), (27, 23633085), (35, 18231237), (45, 14179851), (63, 10128465), (81, 7877695), (105, 6077079), (135, 4726617), (189, 3376155), (315, 2025693), (405, 1575539), (567, 1125385), (945, 675231), (2835, 225077)]