201994125921

素因数分解:

$3^7\times 7^1\times {\mathrm{197}}^1\times {\mathrm{66977}}^1$

素因数の和:67202

約数の個数: 64

約数和(自身を含む): 347985538560

約数和(自身を除く): 145991412639

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 197, 243, 567, 591, 729, 1379, 1701, 1773, 2187, 4137, 5103, 5319, 12411, 15309, 15957, 37233, 47871, 66977, 111699, 143613, 200931, 335097, 430839, 468839, 602793, 1005291, 1406517, 1808379, 3015873, 4219551, 5425137, 12658653, 13194469, 16275411, 37975959, 39583407, 48826233, 92361283, 113927877, 118750221, 146478699, 277083849, 341783631, 356250663, 831251547, 1025350893, 1068751989, 2493754641, 3206255967, 7481263923, 9618767901, 22443791769, 28856303703, 67331375307, 201994125921]

約数ペア:

[(1, 201994125921), (3, 67331375307), (7, 28856303703), (9, 22443791769), (21, 9618767901), (27, 7481263923), (63, 3206255967), (81, 2493754641), (189, 1068751989), (197, 1025350893), (243, 831251547), (567, 356250663), (591, 341783631), (729, 277083849), (1379, 146478699), (1701, 118750221), (1773, 113927877), (2187, 92361283), (4137, 48826233), (5103, 39583407), (5319, 37975959), (12411, 16275411), (15309, 13194469), (15957, 12658653), (37233, 5425137), (47871, 4219551), (66977, 3015873), (111699, 1808379), (143613, 1406517), (200931, 1005291), (335097, 602793), (430839, 468839)]