61181757

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:739

約数の個数: 64

約数和(自身を含む): 114741760

約数和(自身を除く): 53560003

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 91, 111, 117, 189, 259, 273, 333, 351, 481, 673, 777, 819, 999, 1443, 2019, 2331, 2457, 3367, 4329, 4711, 6057, 6993, 8749, 10101, 12987, 14133, 18171, 24901, 26247, 30303, 42399, 61243, 74703, 78741, 90909, 127197, 174307, 183729, 224109, 236223, 323713, 522921, 551187, 672327, 971139, 1568763, 1653561, 2265991, 2913417, 4706289, 6797973, 8740251, 20393919, 61181757]

約数ペア:

[(1, 61181757), (3, 20393919), (7, 8740251), (9, 6797973), (13, 4706289), (21, 2913417), (27, 2265991), (37, 1653561), (39, 1568763), (63, 971139), (91, 672327), (111, 551187), (117, 522921), (189, 323713), (259, 236223), (273, 224109), (333, 183729), (351, 174307), (481, 127197), (673, 90909), (777, 78741), (819, 74703), (999, 61243), (1443, 42399), (2019, 30303), (2331, 26247), (2457, 24901), (3367, 18171), (4329, 14133), (4711, 12987), (6057, 10101), (6993, 8749)]