1328778891

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{120919}}^1$

素因数の和:120976

約数の個数: 32

約数和(自身を含む): 2205580800

約数和(自身を除く): 876801909

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 3663, 10989, 120919, 362757, 1088271, 1330109, 3264813, 3990327, 4474003, 11970981, 13422009, 35912943, 40266027, 49214033, 120798081, 147642099, 442926297, 1328778891]

約数ペア:

[(1, 1328778891), (3, 442926297), (9, 147642099), (11, 120798081), (27, 49214033), (33, 40266027), (37, 35912943), (99, 13422009), (111, 11970981), (297, 4474003), (333, 3990327), (407, 3264813), (999, 1330109), (1221, 1088271), (3663, 362757), (10989, 120919)]