13978503

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 26297856

約数和(自身を除く): 12319353

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 877, 1449, 1771, 2277, 2631, 5313, 6139, 7893, 9647, 15939, 18417, 20171, 28941, 55251, 60513, 67529, 86823, 141197, 181539, 202587, 221881, 423591, 607761, 665643, 1270773, 1553167, 1996929, 4659501, 13978503]

約数ペア:

[(1, 13978503), (3, 4659501), (7, 1996929), (9, 1553167), (11, 1270773), (21, 665643), (23, 607761), (33, 423591), (63, 221881), (69, 202587), (77, 181539), (99, 141197), (161, 86823), (207, 67529), (231, 60513), (253, 55251), (483, 28941), (693, 20171), (759, 18417), (877, 15939), (1449, 9647), (1771, 7893), (2277, 6139), (2631, 5313)]