205965675

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{12893}}^1$

素因数の和:12980

約数の個数: 36

約数和(自身を含む): 374132304

約数和(自身を除く): 168166629

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 3195, 5325, 12893, 15975, 38679, 64465, 116037, 193395, 322325, 580185, 915403, 966975, 2746209, 2900925, 4577015, 8238627, 13731045, 22885075, 41193135, 68655225, 205965675]

約数ペア:

[(1, 205965675), (3, 68655225), (5, 41193135), (9, 22885075), (15, 13731045), (25, 8238627), (45, 4577015), (71, 2900925), (75, 2746209), (213, 966975), (225, 915403), (355, 580185), (639, 322325), (1065, 193395), (1775, 116037), (3195, 64465), (5325, 38679), (12893, 15975)]