2455515

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 4612608

約数和(自身を除く): 2157093

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 47, 81, 129, 135, 141, 215, 235, 243, 387, 405, 423, 645, 705, 1161, 1215, 1269, 1935, 2021, 2115, 3483, 3807, 5805, 6063, 6345, 10105, 10449, 11421, 17415, 18189, 19035, 30315, 52245, 54567, 57105, 90945, 163701, 272835, 491103, 818505, 2455515]

約数ペア:

[(1, 2455515), (3, 818505), (5, 491103), (9, 272835), (15, 163701), (27, 90945), (43, 57105), (45, 54567), (47, 52245), (81, 30315), (129, 19035), (135, 18189), (141, 17415), (215, 11421), (235, 10449), (243, 10105), (387, 6345), (405, 6063), (423, 5805), (645, 3807), (705, 3483), (1161, 2115), (1215, 2021), (1269, 1935)]