220544289

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 395176320

約数和(自身を除く): 174632031

約数列:

[1, 3, 7, 9, 21, 27, 41, 53, 63, 81, 123, 159, 179, 189, 287, 369, 371, 477, 537, 567, 861, 1107, 1113, 1253, 1431, 1611, 2173, 2583, 3321, 3339, 3759, 4293, 4833, 6519, 7339, 7749, 9487, 10017, 11277, 14499, 15211, 19557, 22017, 23247, 28461, 30051, 33831, 45633, 51373, 58671, 66051, 66409, 85383, 101493, 136899, 154119, 176013, 198153, 199227, 256149, 388967, 410697, 462357, 594459, 597681, 768447, 1166901, 1232091, 1387071, 1793043, 2722769, 3500703, 4161213, 5379129, 8168307, 10502109, 24504921, 31506327, 73514763, 220544289]

約数ペア:

[(1, 220544289), (3, 73514763), (7, 31506327), (9, 24504921), (21, 10502109), (27, 8168307), (41, 5379129), (53, 4161213), (63, 3500703), (81, 2722769), (123, 1793043), (159, 1387071), (179, 1232091), (189, 1166901), (287, 768447), (369, 597681), (371, 594459), (477, 462357), (537, 410697), (567, 388967), (861, 256149), (1107, 199227), (1113, 198153), (1253, 176013), (1431, 154119), (1611, 136899), (2173, 101493), (2583, 85383), (3321, 66409), (3339, 66051), (3759, 58671), (4293, 51373), (4833, 45633), (6519, 33831), (7339, 30051), (7749, 28461), (9487, 23247), (10017, 22017), (11277, 19557), (14499, 15211)]