981721671

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{36781}}^1$

素因数の和:36863

約数の個数: 32

約数和(自身を含む): 1581920256

約数和(自身を除く): 600198585

約数列:

[1, 3, 7, 21, 31, 41, 93, 123, 217, 287, 651, 861, 1271, 3813, 8897, 26691, 36781, 110343, 257467, 772401, 1140211, 1508021, 3420633, 4524063, 7981477, 10556147, 23944431, 31668441, 46748651, 140245953, 327240557, 981721671]

約数ペア:

[(1, 981721671), (3, 327240557), (7, 140245953), (21, 46748651), (31, 31668441), (41, 23944431), (93, 10556147), (123, 7981477), (217, 4524063), (287, 3420633), (651, 1508021), (861, 1140211), (1271, 772401), (3813, 257467), (8897, 110343), (26691, 36781)]