28486323

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 40

約数和(自身を含む): 44924880

約数和(自身を除く): 16438557

約数列:

[1, 3, 9, 27, 29, 67, 81, 87, 181, 201, 261, 543, 603, 783, 1629, 1809, 1943, 2349, 4887, 5249, 5427, 5829, 12127, 14661, 15747, 17487, 36381, 47241, 52461, 109143, 141723, 157383, 327429, 351683, 425169, 982287, 1055049, 3165147, 9495441, 28486323]

約数ペア:

[(1, 28486323), (3, 9495441), (9, 3165147), (27, 1055049), (29, 982287), (67, 425169), (81, 351683), (87, 327429), (181, 157383), (201, 141723), (261, 109143), (543, 52461), (603, 47241), (783, 36381), (1629, 17487), (1809, 15747), (1943, 14661), (2349, 12127), (4887, 5829), (5249, 5427)]