16419753

素因数分解:

$3^5\times 7^3\times {\mathrm{197}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 28828800

約数和(自身を除く): 12409047

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 197, 243, 343, 441, 567, 591, 1029, 1323, 1379, 1701, 1773, 3087, 3969, 4137, 5319, 9261, 9653, 11907, 12411, 15957, 27783, 28959, 37233, 47871, 67571, 83349, 86877, 111699, 202713, 260631, 335097, 608139, 781893, 1824417, 2345679, 5473251, 16419753]

約数ペア:

[(1, 16419753), (3, 5473251), (7, 2345679), (9, 1824417), (21, 781893), (27, 608139), (49, 335097), (63, 260631), (81, 202713), (147, 111699), (189, 86877), (197, 83349), (243, 67571), (343, 47871), (441, 37233), (567, 28959), (591, 27783), (1029, 15957), (1323, 12411), (1379, 11907), (1701, 9653), (1773, 9261), (3087, 5319), (3969, 4137)]