1981458

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 4582656

約数和(自身を除く): 2601198

約数列:

[1, 2, 3, 6, 9, 18, 31, 53, 62, 67, 93, 106, 134, 159, 186, 201, 279, 318, 402, 477, 558, 603, 954, 1206, 1643, 2077, 3286, 3551, 4154, 4929, 6231, 7102, 9858, 10653, 12462, 14787, 18693, 21306, 29574, 31959, 37386, 63918, 110081, 220162, 330243, 660486, 990729, 1981458]

約数ペア:

[(1, 1981458), (2, 990729), (3, 660486), (6, 330243), (9, 220162), (18, 110081), (31, 63918), (53, 37386), (62, 31959), (67, 29574), (93, 21306), (106, 18693), (134, 14787), (159, 12462), (186, 10653), (201, 9858), (279, 7102), (318, 6231), (402, 4929), (477, 4154), (558, 3551), (603, 3286), (954, 2077), (1206, 1643)]