20210964507

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{395851}}^1$

素因数の和:395952

約数の個数: 32

約数和(自身を含む): 31414814720

約数和(自身を除く): 11203850213

約数列:

[1, 3, 9, 27, 31, 61, 93, 183, 279, 549, 837, 1647, 1891, 5673, 17019, 51057, 395851, 1187553, 3562659, 10687977, 12271381, 24146911, 36814143, 72440733, 110442429, 217322199, 331327287, 651966597, 748554241, 2245662723, 6736988169, 20210964507]

約数ペア:

[(1, 20210964507), (3, 6736988169), (9, 2245662723), (27, 748554241), (31, 651966597), (61, 331327287), (93, 217322199), (183, 110442429), (279, 72440733), (549, 36814143), (837, 24146911), (1647, 12271381), (1891, 10687977), (5673, 3562659), (17019, 1187553), (51057, 395851)]