66806775

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{1571}}^1$

素因数の和:1603

約数の個数: 72

約数和(自身を含む): 141907584

約数和(自身を除く): 75100809

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 243, 315, 405, 525, 567, 675, 945, 1215, 1571, 1575, 1701, 2025, 2835, 4713, 4725, 6075, 7855, 8505, 10997, 14139, 14175, 23565, 32991, 39275, 42417, 42525, 54985, 70695, 98973, 117825, 127251, 164955, 212085, 274925, 296919, 353475, 381753, 494865, 636255, 824775, 890757, 1060425, 1484595, 1908765, 2474325, 2672271, 3181275, 4453785, 7422975, 9543825, 13361355, 22268925, 66806775]

約数ペア:

[(1, 66806775), (3, 22268925), (5, 13361355), (7, 9543825), (9, 7422975), (15, 4453785), (21, 3181275), (25, 2672271), (27, 2474325), (35, 1908765), (45, 1484595), (63, 1060425), (75, 890757), (81, 824775), (105, 636255), (135, 494865), (175, 381753), (189, 353475), (225, 296919), (243, 274925), (315, 212085), (405, 164955), (525, 127251), (567, 117825), (675, 98973), (945, 70695), (1215, 54985), (1571, 42525), (1575, 42417), (1701, 39275), (2025, 32991), (2835, 23565), (4713, 14175), (4725, 14139), (6075, 10997), (7855, 8505)]