218833407

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 363686400

約数和(自身を除く): 144852993

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 179, 243, 351, 387, 537, 559, 729, 1053, 1161, 1611, 1677, 2187, 2327, 3159, 3483, 4833, 5031, 6981, 7697, 9477, 10449, 14499, 15093, 20943, 23091, 28431, 31347, 43497, 45279, 62829, 69273, 94041, 100061, 130491, 135837, 188487, 207819, 300183, 391473, 407511, 565461, 623457, 900549, 1222533, 1696383, 1870371, 2701647, 5089149, 5611113, 8104941, 16833339, 24314823, 72944469, 218833407]

約数ペア:

[(1, 218833407), (3, 72944469), (9, 24314823), (13, 16833339), (27, 8104941), (39, 5611113), (43, 5089149), (81, 2701647), (117, 1870371), (129, 1696383), (179, 1222533), (243, 900549), (351, 623457), (387, 565461), (537, 407511), (559, 391473), (729, 300183), (1053, 207819), (1161, 188487), (1611, 135837), (1677, 130491), (2187, 100061), (2327, 94041), (3159, 69273), (3483, 62829), (4833, 45279), (5031, 43497), (6981, 31347), (7697, 28431), (9477, 23091), (10449, 20943), (14499, 15093)]