278291247

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{601}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 414253056

約数和(自身を除く): 135961809

約数列:

[1, 3, 13, 31, 39, 93, 383, 403, 601, 1149, 1209, 1803, 4979, 7813, 11873, 14937, 18631, 23439, 35619, 55893, 154349, 230183, 242203, 463047, 690549, 726609, 2992379, 7135673, 8977137, 21407019, 92763749, 278291247]

約数ペア:

[(1, 278291247), (3, 92763749), (13, 21407019), (31, 8977137), (39, 7135673), (93, 2992379), (383, 726609), (403, 690549), (601, 463047), (1149, 242203), (1209, 230183), (1803, 154349), (4979, 55893), (7813, 35619), (11873, 23439), (14937, 18631)]