781472013

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{929}}^1\times {\mathrm{977}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 1222421760

約数和(自身を除く): 440949747

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 929, 977, 2787, 2931, 6503, 6839, 19509, 20517, 38089, 40057, 114267, 120171, 266623, 280399, 799869, 841197, 907633, 2722899, 6353431, 19060293, 37212953, 111638859, 260490671, 781472013]

約数ペア:

[(1, 781472013), (3, 260490671), (7, 111638859), (21, 37212953), (41, 19060293), (123, 6353431), (287, 2722899), (861, 907633), (929, 841197), (977, 799869), (2787, 280399), (2931, 266623), (6503, 120171), (6839, 114267), (19509, 40057), (20517, 38089)]