17920340055

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{461}}^1\times {\mathrm{631}}^1$

素因数の和:1177

約数の個数: 72

約数和(自身を含む): 32044076064

約数和(自身を除く): 14123736009

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 461, 555, 631, 1369, 1383, 1665, 1893, 2305, 3155, 4107, 4149, 5679, 6845, 6915, 9465, 12321, 17057, 20535, 20745, 23347, 28395, 51171, 61605, 70041, 85285, 116735, 153513, 210123, 255855, 290891, 350205, 631109, 767565, 863839, 872673, 1050615, 1454455, 1893327, 2591517, 2618019, 3155545, 4319195, 4363365, 5679981, 7774551, 9466635, 10762967, 12957585, 13090095, 28399905, 32288901, 38872755, 53814835, 96866703, 161444505, 398229779, 484333515, 1194689337, 1991148895, 3584068011, 5973446685, 17920340055]

約数ペア:

[(1, 17920340055), (3, 5973446685), (5, 3584068011), (9, 1991148895), (15, 1194689337), (37, 484333515), (45, 398229779), (111, 161444505), (185, 96866703), (333, 53814835), (461, 38872755), (555, 32288901), (631, 28399905), (1369, 13090095), (1383, 12957585), (1665, 10762967), (1893, 9466635), (2305, 7774551), (3155, 5679981), (4107, 4363365), (4149, 4319195), (5679, 3155545), (6845, 2618019), (6915, 2591517), (9465, 1893327), (12321, 1454455), (17057, 1050615), (20535, 872673), (20745, 863839), (23347, 767565), (28395, 631109), (51171, 350205), (61605, 290891), (70041, 255855), (85285, 210123), (116735, 153513)]