1553791197

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 2562785280

約数和(自身を除く): 1008994083

約数列:

[1, 3, 7, 21, 23, 43, 69, 79, 129, 161, 237, 301, 483, 553, 903, 947, 989, 1659, 1817, 2841, 2967, 3397, 5451, 6629, 6923, 10191, 12719, 19887, 20769, 21781, 23779, 38157, 40721, 65343, 71337, 74813, 78131, 122163, 152467, 224439, 234393, 285047, 457401, 523691, 546917, 855141, 936583, 1571073, 1640751, 1720699, 2809749, 3216959, 5162097, 6556081, 9650877, 12044893, 19668243, 22518713, 36134679, 67556139, 73990057, 221970171, 517930399, 1553791197]

約数ペア:

[(1, 1553791197), (3, 517930399), (7, 221970171), (21, 73990057), (23, 67556139), (43, 36134679), (69, 22518713), (79, 19668243), (129, 12044893), (161, 9650877), (237, 6556081), (301, 5162097), (483, 3216959), (553, 2809749), (903, 1720699), (947, 1640751), (989, 1571073), (1659, 936583), (1817, 855141), (2841, 546917), (2967, 523691), (3397, 457401), (5451, 285047), (6629, 234393), (6923, 224439), (10191, 152467), (12719, 122163), (19887, 78131), (20769, 74813), (21781, 71337), (23779, 65343), (38157, 40721)]