219329991

素因数分解:

$3^3\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 343180800

約数和(自身を除く): 123850809

約数列:

[1, 3, 9, 27, 31, 79, 93, 107, 237, 279, 321, 711, 837, 961, 963, 2133, 2449, 2883, 2889, 3317, 7347, 8453, 8649, 9951, 22041, 25359, 25947, 29853, 66123, 75919, 76077, 89559, 102827, 227757, 228231, 262043, 308481, 683271, 786129, 925443, 2049813, 2358387, 2776329, 7075161, 8123333, 24369999, 73109997, 219329991]

約数ペア:

[(1, 219329991), (3, 73109997), (9, 24369999), (27, 8123333), (31, 7075161), (79, 2776329), (93, 2358387), (107, 2049813), (237, 925443), (279, 786129), (321, 683271), (711, 308481), (837, 262043), (961, 228231), (963, 227757), (2133, 102827), (2449, 89559), (2883, 76077), (2889, 75919), (3317, 66123), (7347, 29853), (8453, 25947), (8649, 25359), (9951, 22041)]