219997005

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{1019}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 362793600

約数和(自身を除く): 142796595

約数列:

[1, 3, 5, 15, 37, 111, 185, 389, 555, 1019, 1167, 1945, 3057, 5095, 5835, 14393, 15285, 37703, 43179, 71965, 113109, 188515, 215895, 396391, 565545, 1189173, 1981955, 5945865, 14666467, 43999401, 73332335, 219997005]

約数ペア:

[(1, 219997005), (3, 73332335), (5, 43999401), (15, 14666467), (37, 5945865), (111, 1981955), (185, 1189173), (389, 565545), (555, 396391), (1019, 215895), (1167, 188515), (1945, 113109), (3057, 71965), (5095, 43179), (5835, 37703), (14393, 15285)]