668845521

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 1014773760

約数和(自身を除く): 345928239

約数列:

[1, 3, 9, 43, 79, 129, 131, 167, 237, 387, 393, 501, 711, 1179, 1503, 3397, 5633, 7181, 10191, 10349, 13193, 16899, 21543, 21877, 30573, 31047, 39579, 50697, 64629, 65631, 93141, 118737, 196893, 445007, 567299, 940711, 1335021, 1701897, 1728283, 2822133, 4005063, 5105691, 5184849, 8466399, 15554547, 74316169, 222948507, 668845521]

約数ペア:

[(1, 668845521), (3, 222948507), (9, 74316169), (43, 15554547), (79, 8466399), (129, 5184849), (131, 5105691), (167, 4005063), (237, 2822133), (387, 1728283), (393, 1701897), (501, 1335021), (711, 940711), (1179, 567299), (1503, 445007), (3397, 196893), (5633, 118737), (7181, 93141), (10191, 65631), (10349, 64629), (13193, 50697), (16899, 39579), (21543, 31047), (21877, 30573)]