31449405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 27337155

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 53, 65, 85, 159, 179, 195, 221, 255, 265, 537, 663, 689, 795, 895, 901, 1105, 2067, 2327, 2685, 2703, 3043, 3315, 3445, 4505, 6981, 9129, 9487, 10335, 11635, 11713, 13515, 15215, 28461, 34905, 35139, 39559, 45645, 47435, 58565, 118677, 123331, 142305, 161279, 175695, 197795, 369993, 483837, 593385, 616655, 806395, 1849965, 2096627, 2419185, 6289881, 10483135, 31449405]

約数ペア:

[(1, 31449405), (3, 10483135), (5, 6289881), (13, 2419185), (15, 2096627), (17, 1849965), (39, 806395), (51, 616655), (53, 593385), (65, 483837), (85, 369993), (159, 197795), (179, 175695), (195, 161279), (221, 142305), (255, 123331), (265, 118677), (537, 58565), (663, 47435), (689, 45645), (795, 39559), (895, 35139), (901, 34905), (1105, 28461), (2067, 15215), (2327, 13515), (2685, 11713), (2703, 11635), (3043, 10335), (3315, 9487), (3445, 9129), (4505, 6981)]