207971715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 395845632

約数和(自身を除く): 187873917

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 181, 217, 353, 465, 543, 651, 905, 1059, 1085, 1267, 1765, 2471, 2715, 3255, 3801, 5295, 5611, 6335, 7413, 10943, 12355, 16833, 19005, 28055, 32829, 37065, 39277, 54715, 63893, 76601, 84165, 117831, 164145, 191679, 196385, 229803, 319465, 383005, 447251, 589155, 958395, 1149015, 1341753, 1980683, 2236255, 5942049, 6708765, 9903415, 13864781, 29710245, 41594343, 69323905, 207971715]

約数ペア:

[(1, 207971715), (3, 69323905), (5, 41594343), (7, 29710245), (15, 13864781), (21, 9903415), (31, 6708765), (35, 5942049), (93, 2236255), (105, 1980683), (155, 1341753), (181, 1149015), (217, 958395), (353, 589155), (465, 447251), (543, 383005), (651, 319465), (905, 229803), (1059, 196385), (1085, 191679), (1267, 164145), (1765, 117831), (2471, 84165), (2715, 76601), (3255, 63893), (3801, 54715), (5295, 39277), (5611, 37065), (6335, 32829), (7413, 28055), (10943, 19005), (12355, 16833)]