201985557

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 283772160

約数和(自身を除く): 81786603

約数列:

[1, 3, 41, 71, 101, 123, 213, 229, 303, 687, 2911, 4141, 7171, 8733, 9389, 12423, 16259, 21513, 23129, 28167, 48777, 69387, 294011, 666619, 882033, 948289, 1642159, 1999857, 2844867, 4926477, 67328519, 201985557]

約数ペア:

[(1, 201985557), (3, 67328519), (41, 4926477), (71, 2844867), (101, 1999857), (123, 1642159), (213, 948289), (229, 882033), (303, 666619), (687, 294011), (2911, 69387), (4141, 48777), (7171, 28167), (8733, 23129), (9389, 21513), (12423, 16259)]