261343929

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{14321}}^1$

素因数の和:14421

約数の個数: 32

約数和(自身を含む): 439971840

約数和(自身を除く): 178627911

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 869, 1659, 2607, 6083, 14321, 18249, 42963, 100247, 157531, 300741, 472593, 1102717, 1131359, 3308151, 3394077, 7919513, 12444949, 23758539, 37334847, 87114643, 261343929]

約数ペア:

[(1, 261343929), (3, 87114643), (7, 37334847), (11, 23758539), (21, 12444949), (33, 7919513), (77, 3394077), (79, 3308151), (231, 1131359), (237, 1102717), (553, 472593), (869, 300741), (1659, 157531), (2607, 100247), (6083, 42963), (14321, 18249)]