918844563

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{797}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 1561577472

約数和(自身を除く): 642732909

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 103, 123, 273, 287, 309, 533, 721, 797, 861, 1339, 1599, 2163, 2391, 3731, 4017, 4223, 5579, 9373, 10361, 11193, 12669, 16737, 28119, 29561, 31083, 32677, 54899, 72527, 82091, 88683, 98031, 164697, 217581, 228739, 246273, 384293, 424801, 574637, 686217, 1067183, 1152879, 1274403, 1723911, 2973607, 3201549, 3365731, 7470281, 8920821, 10097193, 22410843, 23560117, 43754503, 70680351, 131263509, 306281521, 918844563]

約数ペア:

[(1, 918844563), (3, 306281521), (7, 131263509), (13, 70680351), (21, 43754503), (39, 23560117), (41, 22410843), (91, 10097193), (103, 8920821), (123, 7470281), (273, 3365731), (287, 3201549), (309, 2973607), (533, 1723911), (721, 1274403), (797, 1152879), (861, 1067183), (1339, 686217), (1599, 574637), (2163, 424801), (2391, 384293), (3731, 246273), (4017, 228739), (4223, 217581), (5579, 164697), (9373, 98031), (10361, 88683), (11193, 82091), (12669, 72527), (16737, 54899), (28119, 32677), (29561, 31083)]