187848747

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 304128000

約数和(自身を除く): 116279253

約数列:

[1, 3, 9, 27, 29, 31, 71, 87, 93, 109, 213, 261, 279, 327, 639, 783, 837, 899, 981, 1917, 2059, 2201, 2697, 2943, 3161, 3379, 6177, 6603, 7739, 8091, 9483, 10137, 18531, 19809, 23217, 24273, 28449, 30411, 55593, 59427, 63829, 69651, 85347, 91233, 97991, 191487, 208953, 224431, 239909, 293973, 574461, 673293, 719727, 881919, 1723383, 2019879, 2159181, 2645757, 6059637, 6477543, 6957361, 20872083, 62616249, 187848747]

約数ペア:

[(1, 187848747), (3, 62616249), (9, 20872083), (27, 6957361), (29, 6477543), (31, 6059637), (71, 2645757), (87, 2159181), (93, 2019879), (109, 1723383), (213, 881919), (261, 719727), (279, 673293), (327, 574461), (639, 293973), (783, 239909), (837, 224431), (899, 208953), (981, 191487), (1917, 97991), (2059, 91233), (2201, 85347), (2697, 69651), (2943, 63829), (3161, 59427), (3379, 55593), (6177, 30411), (6603, 28449), (7739, 24273), (8091, 23217), (9483, 19809), (10137, 18531)]