87158421

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 149385600

約数和(自身を除く): 62227179

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 139, 259, 269, 333, 417, 777, 807, 973, 1251, 1883, 2331, 2421, 2919, 5143, 5649, 8757, 9953, 15429, 16947, 29859, 36001, 37391, 46287, 69671, 89577, 108003, 112173, 209013, 261737, 324009, 336519, 627039, 785211, 1383467, 2355633, 4150401, 9684269, 12451203, 29052807, 87158421]

約数ペア:

[(1, 87158421), (3, 29052807), (7, 12451203), (9, 9684269), (21, 4150401), (37, 2355633), (63, 1383467), (111, 785211), (139, 627039), (259, 336519), (269, 324009), (333, 261737), (417, 209013), (777, 112173), (807, 108003), (973, 89577), (1251, 69671), (1883, 46287), (2331, 37391), (2421, 36001), (2919, 29859), (5143, 16947), (5649, 15429), (8757, 9953)]