27701145

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 23404455

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 179, 181, 285, 537, 543, 855, 895, 905, 1611, 1629, 2685, 2715, 3401, 3439, 8055, 8145, 10203, 10317, 17005, 17195, 30609, 30951, 32399, 51015, 51585, 97197, 153045, 154755, 161995, 291591, 485985, 615581, 1457955, 1846743, 3077905, 5540229, 9233715, 27701145]

約数ペア:

[(1, 27701145), (3, 9233715), (5, 5540229), (9, 3077905), (15, 1846743), (19, 1457955), (45, 615581), (57, 485985), (95, 291591), (171, 161995), (179, 154755), (181, 153045), (285, 97197), (537, 51585), (543, 51015), (855, 32399), (895, 30951), (905, 30609), (1611, 17195), (1629, 17005), (2685, 10317), (2715, 10203), (3401, 8145), (3439, 8055)]