2820342

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 6722352

約数和(自身を除く): 3902010

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 53, 98, 106, 147, 159, 181, 294, 318, 362, 371, 543, 742, 1086, 1113, 1267, 2226, 2534, 2597, 3801, 5194, 7602, 7791, 8869, 9593, 15582, 17738, 19186, 26607, 28779, 53214, 57558, 67151, 134302, 201453, 402906, 470057, 940114, 1410171, 2820342]

約数ペア:

[(1, 2820342), (2, 1410171), (3, 940114), (6, 470057), (7, 402906), (14, 201453), (21, 134302), (42, 67151), (49, 57558), (53, 53214), (98, 28779), (106, 26607), (147, 19186), (159, 17738), (181, 15582), (294, 9593), (318, 8869), (362, 7791), (371, 7602), (543, 5194), (742, 3801), (1086, 2597), (1113, 2534), (1267, 2226)]