16420545

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 29952000

約数和(自身を除く): 13531455

約数列:

[1, 3, 5, 9, 15, 31, 45, 79, 93, 149, 155, 237, 279, 395, 447, 465, 711, 745, 1185, 1341, 1395, 2235, 2449, 3555, 4619, 6705, 7347, 11771, 12245, 13857, 22041, 23095, 35313, 36735, 41571, 58855, 69285, 105939, 110205, 176565, 207855, 364901, 529695, 1094703, 1824505, 3284109, 5473515, 16420545]

約数ペア:

[(1, 16420545), (3, 5473515), (5, 3284109), (9, 1824505), (15, 1094703), (31, 529695), (45, 364901), (79, 207855), (93, 176565), (149, 110205), (155, 105939), (237, 69285), (279, 58855), (395, 41571), (447, 36735), (465, 35313), (711, 23095), (745, 22041), (1185, 13857), (1341, 12245), (1395, 11771), (2235, 7347), (2449, 6705), (3555, 4619)]