157892007

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7321}}^1$

素因数の和:7423

約数の個数: 32

約数和(自身を含む): 262420480

約数和(自身を除く): 104528473

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1659, 3081, 7189, 7321, 21567, 21963, 51247, 95173, 153741, 285519, 578359, 666211, 1735077, 1998633, 4048513, 7518667, 12145539, 22556001, 52630669, 157892007]

約数ペア:

[(1, 157892007), (3, 52630669), (7, 22556001), (13, 12145539), (21, 7518667), (39, 4048513), (79, 1998633), (91, 1735077), (237, 666211), (273, 578359), (553, 285519), (1027, 153741), (1659, 95173), (3081, 51247), (7189, 21963), (7321, 21567)]