218886003

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 388362240

約数和(自身を除く): 169476237

約数列:

[1, 3, 7, 9, 21, 27, 41, 47, 63, 123, 141, 189, 287, 329, 369, 423, 601, 861, 987, 1107, 1269, 1803, 1927, 2583, 2961, 4207, 5409, 5781, 7749, 8883, 12621, 13489, 16227, 17343, 24641, 28247, 37863, 40467, 52029, 73923, 84741, 113589, 121401, 172487, 197729, 221769, 254223, 364203, 517461, 593187, 665307, 762669, 1158127, 1552383, 1779561, 3474381, 4657149, 5338683, 8106889, 10423143, 24320667, 31269429, 72962001, 218886003]

約数ペア:

[(1, 218886003), (3, 72962001), (7, 31269429), (9, 24320667), (21, 10423143), (27, 8106889), (41, 5338683), (47, 4657149), (63, 3474381), (123, 1779561), (141, 1552383), (189, 1158127), (287, 762669), (329, 665307), (369, 593187), (423, 517461), (601, 364203), (861, 254223), (987, 221769), (1107, 197729), (1269, 172487), (1803, 121401), (1927, 113589), (2583, 84741), (2961, 73923), (4207, 52029), (5409, 40467), (5781, 37863), (7749, 28247), (8883, 24641), (12621, 17343), (13489, 16227)]