16112817

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 29275200

約数和(自身を除く): 13162383

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 641, 931, 1197, 1323, 1923, 2793, 3591, 4487, 5769, 8379, 12179, 13461, 17307, 25137, 31409, 36537, 40383, 85253, 94227, 109611, 121149, 255759, 282681, 328833, 596771, 767277, 848043, 1790313, 2301831, 5370939, 16112817]

約数ペア:

[(1, 16112817), (3, 5370939), (7, 2301831), (9, 1790313), (19, 848043), (21, 767277), (27, 596771), (49, 328833), (57, 282681), (63, 255759), (133, 121149), (147, 109611), (171, 94227), (189, 85253), (399, 40383), (441, 36537), (513, 31409), (641, 25137), (931, 17307), (1197, 13461), (1323, 12179), (1923, 8379), (2793, 5769), (3591, 4487)]