30813945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 52617600

約数和(自身を除く): 21803655

約数列:

[1, 3, 5, 15, 17, 51, 85, 149, 255, 447, 745, 811, 2235, 2433, 2533, 4055, 7599, 12165, 12665, 13787, 37995, 41361, 68935, 120839, 206805, 362517, 604195, 1812585, 2054263, 6162789, 10271315, 30813945]

約数ペア:

[(1, 30813945), (3, 10271315), (5, 6162789), (15, 2054263), (17, 1812585), (51, 604195), (85, 362517), (149, 206805), (255, 120839), (447, 68935), (745, 41361), (811, 37995), (2235, 13787), (2433, 12665), (2533, 12165), (4055, 7599)]