808215993

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{238201}}^1$

素因数の和:238249

約数の個数: 24

約数和(自身を含む): 1300582920

約数和(自身を除く): 492366927

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 238201, 714603, 2143809, 3096613, 6907829, 9289839, 20723487, 27869517, 62170461, 89801777, 269405331, 808215993]

約数ペア:

[(1, 808215993), (3, 269405331), (9, 89801777), (13, 62170461), (29, 27869517), (39, 20723487), (87, 9289839), (117, 6907829), (261, 3096613), (377, 2143809), (1131, 714603), (3393, 238201)]