189141561

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 345304960

約数和(自身を除く): 156163399

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 97, 133, 171, 181, 189, 291, 399, 513, 543, 567, 679, 873, 1197, 1267, 1539, 1629, 1843, 2037, 2619, 3439, 3591, 3801, 4887, 5529, 6111, 7857, 10317, 10773, 11403, 12901, 14661, 16587, 17557, 18333, 24073, 30951, 34209, 38703, 49761, 52671, 54999, 72219, 92853, 102627, 116109, 122899, 149283, 158013, 216657, 278559, 333583, 348327, 368697, 474039, 649971, 1000749, 1044981, 1106091, 1422117, 1949913, 2335081, 3002247, 3318273, 7005243, 9006741, 9954819, 21015729, 27020223, 63047187, 189141561]

約数ペア:

[(1, 189141561), (3, 63047187), (7, 27020223), (9, 21015729), (19, 9954819), (21, 9006741), (27, 7005243), (57, 3318273), (63, 3002247), (81, 2335081), (97, 1949913), (133, 1422117), (171, 1106091), (181, 1044981), (189, 1000749), (291, 649971), (399, 474039), (513, 368697), (543, 348327), (567, 333583), (679, 278559), (873, 216657), (1197, 158013), (1267, 149283), (1539, 122899), (1629, 116109), (1843, 102627), (2037, 92853), (2619, 72219), (3439, 54999), (3591, 52671), (3801, 49761), (4887, 38703), (5529, 34209), (6111, 30951), (7857, 24073), (10317, 18333), (10773, 17557), (11403, 16587), (12901, 14661)]