977505885

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{2791}}^1$

素因数の和:3026

約数の個数: 48

約数和(自身を含む): 1743950208

約数和(自身を除く): 766444323

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 181, 215, 387, 543, 645, 905, 1629, 1935, 2715, 2791, 7783, 8145, 8373, 13955, 23349, 25119, 38915, 41865, 70047, 116745, 120013, 125595, 350235, 360039, 505171, 600065, 1080117, 1515513, 1800195, 2525855, 4546539, 5400585, 7577565, 21722353, 22732695, 65167059, 108611765, 195501177, 325835295, 977505885]

約数ペア:

[(1, 977505885), (3, 325835295), (5, 195501177), (9, 108611765), (15, 65167059), (43, 22732695), (45, 21722353), (129, 7577565), (181, 5400585), (215, 4546539), (387, 2525855), (543, 1800195), (645, 1515513), (905, 1080117), (1629, 600065), (1935, 505171), (2715, 360039), (2791, 350235), (7783, 125595), (8145, 120013), (8373, 116745), (13955, 70047), (23349, 41865), (25119, 38915)]