811985139

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{1097}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 1388574720

約数和(自身を除く): 576589581

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 379, 651, 1097, 1137, 1953, 2653, 3291, 3411, 7679, 7959, 9873, 11749, 23037, 23877, 34007, 35247, 69111, 82243, 102021, 105741, 238049, 246729, 306063, 415763, 714147, 740187, 1247289, 2142441, 2910341, 3741867, 8731023, 12888653, 26193069, 38665959, 90220571, 115997877, 270661713, 811985139]

約数ペア:

[(1, 811985139), (3, 270661713), (7, 115997877), (9, 90220571), (21, 38665959), (31, 26193069), (63, 12888653), (93, 8731023), (217, 3741867), (279, 2910341), (379, 2142441), (651, 1247289), (1097, 740187), (1137, 714147), (1953, 415763), (2653, 306063), (3291, 246729), (3411, 238049), (7679, 105741), (7959, 102021), (9873, 82243), (11749, 69111), (23037, 35247), (23877, 34007)]