87948891

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 141373440

約数和(自身を除く): 53424549

約数列:

[1, 3, 9, 19, 31, 47, 57, 93, 141, 171, 279, 353, 423, 589, 893, 1059, 1457, 1767, 2679, 3177, 4371, 5301, 6707, 8037, 10943, 13113, 16591, 20121, 27683, 32829, 49773, 60363, 83049, 98487, 149319, 207917, 249147, 315229, 514321, 623751, 945687, 1542963, 1871253, 2837061, 4628889, 9772099, 29316297, 87948891]

約数ペア:

[(1, 87948891), (3, 29316297), (9, 9772099), (19, 4628889), (31, 2837061), (47, 1871253), (57, 1542963), (93, 945687), (141, 623751), (171, 514321), (279, 315229), (353, 249147), (423, 207917), (589, 149319), (893, 98487), (1059, 83049), (1457, 60363), (1767, 49773), (2679, 32829), (3177, 27683), (4371, 20121), (5301, 16591), (6707, 13113), (8037, 10943)]