221884773

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{577}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 332040192

約数和(自身を除く): 110155419

約数列:

[1, 3, 11, 33, 43, 129, 271, 473, 577, 813, 1419, 1731, 2981, 6347, 8943, 11653, 19041, 24811, 34959, 74433, 128183, 156367, 272921, 384549, 469101, 818763, 1720037, 5160111, 6723781, 20171343, 73961591, 221884773]

約数ペア:

[(1, 221884773), (3, 73961591), (11, 20171343), (33, 6723781), (43, 5160111), (129, 1720037), (271, 818763), (473, 469101), (577, 384549), (813, 272921), (1419, 156367), (1731, 128183), (2981, 74433), (6347, 34959), (8943, 24811), (11653, 19041)]