72949005

素因数分解:

$3^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{641}}^1$

素因数の和:939

約数の個数: 40

約数和(自身を含む): 131437944

約数和(自身を除く): 58488939

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 281, 405, 641, 843, 1405, 1923, 2529, 3205, 4215, 5769, 7587, 9615, 12645, 17307, 22761, 28845, 37935, 51921, 86535, 113805, 180121, 259605, 540363, 900605, 1621089, 2701815, 4863267, 8105445, 14589801, 24316335, 72949005]

約数ペア:

[(1, 72949005), (3, 24316335), (5, 14589801), (9, 8105445), (15, 4863267), (27, 2701815), (45, 1621089), (81, 900605), (135, 540363), (281, 259605), (405, 180121), (641, 113805), (843, 86535), (1405, 51921), (1923, 37935), (2529, 28845), (3205, 22761), (4215, 17307), (5769, 12645), (7587, 9615)]