143671521

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{907}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 231285760

約数和(自身を除く): 87614239

約数列:

[1, 3, 7, 19, 21, 57, 133, 397, 399, 907, 1191, 2721, 2779, 6349, 7543, 8337, 17233, 19047, 22629, 51699, 52801, 120631, 158403, 360079, 361893, 1080237, 2520553, 6841501, 7561659, 20524503, 47890507, 143671521]

約数ペア:

[(1, 143671521), (3, 47890507), (7, 20524503), (19, 7561659), (21, 6841501), (57, 2520553), (133, 1080237), (397, 361893), (399, 360079), (907, 158403), (1191, 120631), (2721, 52801), (2779, 51699), (6349, 22629), (7543, 19047), (8337, 17233)]