211674330

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{111997}}^1$

素因数の和:112020

約数の個数: 64

約数和(自身を含む): 645108480

約数和(自身を除く): 433434150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 111997, 223994, 335991, 559985, 671982, 783979, 1007973, 1119970, 1567958, 1679955, 2015946, 2351937, 3023919, 3359910, 3919895, 4703874, 5039865, 6047838, 7055811, 7839790, 10079730, 11759685, 14111622, 15119595, 21167433, 23519370, 30239190, 35279055, 42334866, 70558110, 105837165, 211674330]

約数ペア:

[(1, 211674330), (2, 105837165), (3, 70558110), (5, 42334866), (6, 35279055), (7, 30239190), (9, 23519370), (10, 21167433), (14, 15119595), (15, 14111622), (18, 11759685), (21, 10079730), (27, 7839790), (30, 7055811), (35, 6047838), (42, 5039865), (45, 4703874), (54, 3919895), (63, 3359910), (70, 3023919), (90, 2351937), (105, 2015946), (126, 1679955), (135, 1567958), (189, 1119970), (210, 1007973), (270, 783979), (315, 671982), (378, 559985), (630, 335991), (945, 223994), (1890, 111997)]