71394921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 118774656

約数和(自身を除く): 47379735

約数列:

[1, 3, 9, 13, 23, 39, 43, 69, 117, 129, 207, 299, 387, 559, 617, 897, 989, 1677, 1851, 2691, 2967, 5031, 5553, 8021, 8901, 12857, 14191, 24063, 26531, 38571, 42573, 72189, 79593, 115713, 127719, 184483, 238779, 344903, 553449, 610213, 1034709, 1660347, 1830639, 3104127, 5491917, 7932769, 23798307, 71394921]

約数ペア:

[(1, 71394921), (3, 23798307), (9, 7932769), (13, 5491917), (23, 3104127), (39, 1830639), (43, 1660347), (69, 1034709), (117, 610213), (129, 553449), (207, 344903), (299, 238779), (387, 184483), (559, 127719), (617, 115713), (897, 79593), (989, 72189), (1677, 42573), (1851, 38571), (2691, 26531), (2967, 24063), (5031, 14191), (5553, 12857), (8021, 8901)]