2191405995

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{318287}}^1$

素因数の和:318321

約数の個数: 40

約数和(自身を含む): 4159387584

約数和(自身を除く): 1967981589

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 318287, 954861, 1591435, 2864583, 4774305, 5410879, 8593749, 14322915, 16232637, 25781247, 27054395, 42968745, 48697911, 81163185, 128906235, 146093733, 243489555, 438281199, 730468665, 2191405995]

約数ペア:

[(1, 2191405995), (3, 730468665), (5, 438281199), (9, 243489555), (15, 146093733), (17, 128906235), (27, 81163185), (45, 48697911), (51, 42968745), (81, 27054395), (85, 25781247), (135, 16232637), (153, 14322915), (255, 8593749), (405, 5410879), (459, 4774305), (765, 2864583), (1377, 1591435), (2295, 954861), (6885, 318287)]