311003217

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3023}}^1$

素因数の和:3130

約数の個数: 48

約数和(自身を含む): 543449088

約数和(自身を除く): 232445871

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 71, 161, 207, 213, 483, 497, 639, 1449, 1491, 1633, 3023, 4473, 4899, 9069, 11431, 14697, 21161, 27207, 34293, 63483, 69529, 102879, 190449, 208587, 214633, 486703, 625761, 643899, 1460109, 1502431, 1931697, 4380327, 4507293, 4936559, 13521879, 14809677, 34555913, 44429031, 103667739, 311003217]

約数ペア:

[(1, 311003217), (3, 103667739), (7, 44429031), (9, 34555913), (21, 14809677), (23, 13521879), (63, 4936559), (69, 4507293), (71, 4380327), (161, 1931697), (207, 1502431), (213, 1460109), (483, 643899), (497, 625761), (639, 486703), (1449, 214633), (1491, 208587), (1633, 190449), (3023, 102879), (4473, 69529), (4899, 63483), (9069, 34293), (11431, 27207), (14697, 21161)]