320420061

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 541072896

約数和(自身を除く): 220652835

約数列:

[1, 3, 9, 13, 23, 31, 39, 69, 93, 117, 167, 207, 279, 299, 403, 501, 529, 713, 897, 1209, 1503, 1587, 2139, 2171, 2691, 3627, 3841, 4761, 5177, 6417, 6513, 6877, 9269, 11523, 15531, 16399, 19539, 20631, 27807, 34569, 46593, 49197, 49933, 61893, 67301, 83421, 88343, 119071, 147591, 149799, 201903, 213187, 265029, 357213, 449397, 605709, 639561, 795087, 1071639, 1148459, 1547923, 1918683, 2738633, 3445377, 4643769, 8215899, 10336131, 13931307, 24647697, 35602229, 106806687, 320420061]

約数ペア:

[(1, 320420061), (3, 106806687), (9, 35602229), (13, 24647697), (23, 13931307), (31, 10336131), (39, 8215899), (69, 4643769), (93, 3445377), (117, 2738633), (167, 1918683), (207, 1547923), (279, 1148459), (299, 1071639), (403, 795087), (501, 639561), (529, 605709), (713, 449397), (897, 357213), (1209, 265029), (1503, 213187), (1587, 201903), (2139, 149799), (2171, 147591), (2691, 119071), (3627, 88343), (3841, 83421), (4761, 67301), (5177, 61893), (6417, 49933), (6513, 49197), (6877, 46593), (9269, 34569), (11523, 27807), (15531, 20631), (16399, 19539)]