40209885

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1999}}^1$

素因数の和:2162

約数の個数: 32

約数和(自身を含む): 72000000

約数和(自身を除く): 31790115

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 1999, 2235, 4023, 5997, 6705, 9995, 17991, 20115, 29985, 53973, 89955, 269865, 297851, 893553, 1489255, 2680659, 4467765, 8041977, 13403295, 40209885]

約数ペア:

[(1, 40209885), (3, 13403295), (5, 8041977), (9, 4467765), (15, 2680659), (27, 1489255), (45, 893553), (135, 297851), (149, 269865), (447, 89955), (745, 53973), (1341, 29985), (1999, 20115), (2235, 17991), (4023, 9995), (5997, 6705)]