1990290688623

素因数分解:

$3^5\times {\mathrm{1061}}^1\times {\mathrm{1231}}^1\times {\mathrm{6271}}^1$

素因数の和:8578

約数の個数: 48

約数和(自身を含む): 2987051139072

約数和(自身を除く): 996760450449

約数列:

[1, 3, 9, 27, 81, 243, 1061, 1231, 3183, 3693, 6271, 9549, 11079, 18813, 28647, 33237, 56439, 85941, 99711, 169317, 257823, 299133, 507951, 1306091, 1523853, 3918273, 6653531, 7719601, 11754819, 19960593, 23158803, 35264457, 59881779, 69476409, 105793371, 179645337, 208429227, 317380113, 538936011, 625287681, 1616808033, 1875863043, 8190496661, 24571489983, 73714469949, 221143409847, 663430229541, 1990290688623]

約数ペア:

[(1, 1990290688623), (3, 663430229541), (9, 221143409847), (27, 73714469949), (81, 24571489983), (243, 8190496661), (1061, 1875863043), (1231, 1616808033), (3183, 625287681), (3693, 538936011), (6271, 317380113), (9549, 208429227), (11079, 179645337), (18813, 105793371), (28647, 69476409), (33237, 59881779), (56439, 35264457), (85941, 23158803), (99711, 19960593), (169317, 11754819), (257823, 7719601), (299133, 6653531), (507951, 3918273), (1306091, 1523853)]