201999993

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{178603}}^1$

素因数の和:178648

約数の個数: 16

約数和(自身を含む): 300054720

約数和(自身を除く): 98054727

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 178603, 535809, 2321839, 5179487, 6965517, 15538461, 67333331, 201999993]

約数ペア:

[(1, 201999993), (3, 67333331), (13, 15538461), (29, 6965517), (39, 5179487), (87, 2321839), (377, 535809), (1131, 178603)]