27918975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 54960768

約数和(自身を除く): 27041793

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 71, 75, 105, 107, 147, 175, 213, 245, 321, 355, 497, 525, 535, 735, 749, 1065, 1225, 1491, 1605, 1775, 2247, 2485, 2675, 3479, 3675, 3745, 5243, 5325, 7455, 7597, 8025, 10437, 11235, 12425, 15729, 17395, 18725, 22791, 26215, 37275, 37985, 52185, 53179, 56175, 78645, 86975, 113955, 131075, 159537, 189925, 260925, 265895, 372253, 393225, 569775, 797685, 1116759, 1329475, 1861265, 3988425, 5583795, 9306325, 27918975]

約数ペア:

[(1, 27918975), (3, 9306325), (5, 5583795), (7, 3988425), (15, 1861265), (21, 1329475), (25, 1116759), (35, 797685), (49, 569775), (71, 393225), (75, 372253), (105, 265895), (107, 260925), (147, 189925), (175, 159537), (213, 131075), (245, 113955), (321, 86975), (355, 78645), (497, 56175), (525, 53179), (535, 52185), (735, 37985), (749, 37275), (1065, 26215), (1225, 22791), (1491, 18725), (1605, 17395), (1775, 15729), (2247, 12425), (2485, 11235), (2675, 10437), (3479, 8025), (3675, 7597), (3745, 7455), (5243, 5325)]