15402939

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 23347200

約数和(自身を除く): 7944261

約数列:

[1, 3, 19, 23, 31, 57, 69, 93, 379, 437, 589, 713, 1137, 1311, 1767, 2139, 7201, 8717, 11749, 13547, 21603, 26151, 35247, 40641, 165623, 223231, 270227, 496869, 669693, 810681, 5134313, 15402939]

約数ペア:

[(1, 15402939), (3, 5134313), (19, 810681), (23, 669693), (31, 496869), (57, 270227), (69, 223231), (93, 165623), (379, 40641), (437, 35247), (589, 26151), (713, 21603), (1137, 13547), (1311, 11749), (1767, 8717), (2139, 7201)]