1987043949

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{3121}}^1$

素因数の和:3306

約数の個数: 48

約数和(自身を含む): 3214411200

約数和(自身を除く): 1227367251

約数列:

[1, 3, 9, 11, 33, 59, 99, 109, 177, 327, 531, 649, 981, 1199, 1947, 3121, 3597, 5841, 6431, 9363, 10791, 19293, 28089, 34331, 57879, 70741, 102993, 184139, 212223, 308979, 340189, 552417, 636669, 1020567, 1657251, 2025529, 3061701, 3742079, 6076587, 11226237, 18229761, 20071151, 33678711, 60213453, 180640359, 220782661, 662347983, 1987043949]

約数ペア:

[(1, 1987043949), (3, 662347983), (9, 220782661), (11, 180640359), (33, 60213453), (59, 33678711), (99, 20071151), (109, 18229761), (177, 11226237), (327, 6076587), (531, 3742079), (649, 3061701), (981, 2025529), (1199, 1657251), (1947, 1020567), (3121, 636669), (3597, 552417), (5841, 340189), (6431, 308979), (9363, 212223), (10791, 184139), (19293, 102993), (28089, 70741), (34331, 57879)]