87869889

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 143095680

約数和(自身を除く): 55225791

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 167, 171, 181, 323, 501, 543, 969, 1503, 1629, 2839, 2907, 3077, 3173, 3439, 8517, 9231, 9519, 10317, 25551, 27693, 28557, 30227, 30951, 53941, 58463, 90681, 161823, 175389, 272043, 485469, 513859, 526167, 574313, 1541577, 1722939, 4624731, 5168817, 9763321, 29289963, 87869889]

約数ペア:

[(1, 87869889), (3, 29289963), (9, 9763321), (17, 5168817), (19, 4624731), (51, 1722939), (57, 1541577), (153, 574313), (167, 526167), (171, 513859), (181, 485469), (323, 272043), (501, 175389), (543, 161823), (969, 90681), (1503, 58463), (1629, 53941), (2839, 30951), (2907, 30227), (3077, 28557), (3173, 27693), (3439, 25551), (8517, 10317), (9231, 9519)]