207910215

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 372610368

約数和(自身を除く): 164700153

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 193, 333, 555, 579, 647, 965, 1665, 1737, 1941, 2895, 3235, 5823, 7141, 8685, 9705, 21423, 23939, 29115, 35705, 64269, 71817, 107115, 119695, 124871, 215451, 321345, 359085, 374613, 624355, 1077255, 1123839, 1873065, 4620227, 5619195, 13860681, 23101135, 41582043, 69303405, 207910215]

約数ペア:

[(1, 207910215), (3, 69303405), (5, 41582043), (9, 23101135), (15, 13860681), (37, 5619195), (45, 4620227), (111, 1873065), (185, 1123839), (193, 1077255), (333, 624355), (555, 374613), (579, 359085), (647, 321345), (965, 215451), (1665, 124871), (1737, 119695), (1941, 107115), (2895, 71817), (3235, 64269), (5823, 35705), (7141, 29115), (8685, 23939), (9705, 21423)]