668814015

素因数分解:

$3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1\times {\mathrm{947}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 1081175040

約数和(自身を除く): 412361025

約数列:

[1, 3, 5, 15, 197, 239, 591, 717, 947, 985, 1195, 2841, 2955, 3585, 4735, 14205, 47083, 141249, 186559, 226333, 235415, 559677, 678999, 706245, 932795, 1131665, 2798385, 3394995, 44587601, 133762803, 222938005, 668814015]

約数ペア:

[(1, 668814015), (3, 222938005), (5, 133762803), (15, 44587601), (197, 3394995), (239, 2798385), (591, 1131665), (717, 932795), (947, 706245), (985, 678999), (1195, 559677), (2841, 235415), (2955, 226333), (3585, 186559), (4735, 141249), (14205, 47083)]