201668745

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{220403}}^1$

素因数の和:220472

約数の個数: 16

約数和(自身を含む): 327961152

約数和(自身を除く): 126292407

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 220403, 661209, 1102015, 3306045, 13444583, 40333749, 67222915, 201668745]

約数ペア:

[(1, 201668745), (3, 67222915), (5, 40333749), (15, 13444583), (61, 3306045), (183, 1102015), (305, 661209), (915, 220403)]