40489065

素因数分解:

$3^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 73050120

約数和(自身を除く): 32561055

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 257, 389, 405, 771, 1167, 1285, 1945, 2313, 3501, 3855, 5835, 6939, 10503, 11565, 17505, 20817, 31509, 34695, 52515, 99973, 104085, 157545, 299919, 499865, 899757, 1499595, 2699271, 4498785, 8097813, 13496355, 40489065]

約数ペア:

[(1, 40489065), (3, 13496355), (5, 8097813), (9, 4498785), (15, 2699271), (27, 1499595), (45, 899757), (81, 499865), (135, 299919), (257, 157545), (389, 104085), (405, 99973), (771, 52515), (1167, 34695), (1285, 31509), (1945, 20817), (2313, 17505), (3501, 11565), (3855, 10503), (5835, 6939)]