209910015

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{222127}}^1$

素因数の和:222148

約数の個数: 32

約数和(自身を含む): 426485760

約数和(自身を除く): 216575745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 222127, 666381, 1110635, 1554889, 1999143, 3331905, 4664667, 5997429, 7774445, 9995715, 13994001, 23323335, 29987145, 41982003, 69970005, 209910015]

約数ペア:

[(1, 209910015), (3, 69970005), (5, 41982003), (7, 29987145), (9, 23323335), (15, 13994001), (21, 9995715), (27, 7774445), (35, 5997429), (45, 4664667), (63, 3331905), (105, 1999143), (135, 1554889), (189, 1110635), (315, 666381), (945, 222127)]