1999755747

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 3396032640

約数和(自身を除く): 1396276893

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 109, 121, 153, 187, 327, 363, 561, 981, 991, 1089, 1199, 1683, 1853, 2057, 2973, 3597, 5559, 6171, 8919, 10791, 10901, 13189, 16677, 16847, 18513, 20383, 32703, 39567, 50541, 61149, 98109, 108019, 118701, 119911, 151623, 183447, 185317, 224213, 324057, 359733, 555951, 672639, 972171, 1079199, 1188209, 1667853, 1836323, 2017917, 2038487, 3564627, 5508969, 6115461, 10693881, 13070299, 16526907, 18346383, 20199553, 39210897, 60598659, 117632691, 181795977, 222195083, 666585249, 1999755747]

約数ペア:

[(1, 1999755747), (3, 666585249), (9, 222195083), (11, 181795977), (17, 117632691), (33, 60598659), (51, 39210897), (99, 20199553), (109, 18346383), (121, 16526907), (153, 13070299), (187, 10693881), (327, 6115461), (363, 5508969), (561, 3564627), (981, 2038487), (991, 2017917), (1089, 1836323), (1199, 1667853), (1683, 1188209), (1853, 1079199), (2057, 972171), (2973, 672639), (3597, 555951), (5559, 359733), (6171, 324057), (8919, 224213), (10791, 185317), (10901, 183447), (13189, 151623), (16677, 119911), (16847, 118701), (18513, 108019), (20383, 98109), (32703, 61149), (39567, 50541)]