201921915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{3659}}^1$

素因数の和:3963

約数の個数: 32

約数和(自身を含む): 349251840

約数和(自身を除く): 147329925

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 283, 849, 1415, 3659, 3679, 4245, 10977, 11037, 18295, 18395, 47567, 54885, 55185, 142701, 237835, 713505, 1035497, 3106491, 5177485, 13461461, 15532455, 40384383, 67307305, 201921915]

約数ペア:

[(1, 201921915), (3, 67307305), (5, 40384383), (13, 15532455), (15, 13461461), (39, 5177485), (65, 3106491), (195, 1035497), (283, 713505), (849, 237835), (1415, 142701), (3659, 55185), (3679, 54885), (4245, 47567), (10977, 18395), (11037, 18295)]